complete visakhapatnam location tracker system documentation
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This Project will help us to build a Tracker System which will allow
people to find out the complete information of most wanted
places in Visakhapatnam.
Vizag is a happening place with number of visitors visiting it
every year. It is very difficult for them to find appropriate hotels
and entertainment places within vizag.
Even the business spots such as companies and shopping malls.
The system is build to comprehensively provide an easy
navigation with the map facilities which allows the members to
find their sought out places.
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S.No ContentPage
No.
1 Introduction
1.
1Existing system
1.
2Proposed System
1.
3Feasibility Study
3 System Requirements Specifications
3.
1Functional Requirements
3.
2Non Functional Requirements
3.
3Software Requirements
3.
4Hardware Requirements
3.
5UML Representation for Analysis
4 System Design
4.
1User Interface Design
4.
2Architecture Design
4.
3 UML Design Diagrams
4.
4Database Design
5 Software Technology
6 Testing
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6.
1Test Cases
7 Sample Code
8 Input & Output Results
9 Software Development Life Cycle
10 Conclusion
11 Bibiliography
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Introduction
.
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Existing system
They are number of guides available that gives information
regarding the places within vizag.
All these guides have a very tedious process of searching the
places they are looking for. Also these guides dont provide a
perfect map through which they customer can easily identify the
location they are looking for as well as the other places around
the location.
Problems in Existing System
Searching of locations will be delayed
Navigation of locations very difficult
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Proposed System
The Proposed System will create a web application through which
the customers will view a home page where they will be providedwith all the location categories within vizag.
Once the customer clicks on the location that he wants all the sub
category location will be displayed to him.
Then the customer can gather the information of the exact
location that he wants to view by selecting the location.
The details of the location with information and map will be
displayed. The Admin will also be also to make modifications
within the locations as per his requirement.
Advantages of Proposed System
Easy Navigation
Accurate and Precise information will be given
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The various activities within the Proposed System are:
City Navigation
City Location Maintenance
Member Maintenance
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City Navigation
This Module helps the members is easily navigate and find the
location and complete information of the city places that they are
looking for.
The various major city locations that they will be able to navigate
are
Viewing the Entertainment locations such as Movie theatres, parks, beach
location etc.
Viewing the major Company locations in Vizag
Viewing the major Shopping malls within the city
Viewing the Largest variety of hospitals within Vizag.
Viewing the Educational Institutions within Vizag
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City Location Maintenance
One of the most important tasks is to maintain the location of thevarious places within the city.
This module not only allows the Admin to update the information
by also allows them to remove any locations that have been
deserted or left out.
It provides a very easy updation process where any change will
directly be done with immediate effect.
The Maintenance covers a number of aspects such as updating
address, and mananging them.
The module provides the following content
Adding New Location Details
Updating the Location Details
Removing any un necessary Location details
Changing settings as per requirement
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Member Maintenance
The module helps in providing the Admin to maintain all themember details as well as display the details of the members
who have visited the website.
The module will also allow the admin to delete any member
details if they are not required.
This module will provide the following activities
Displaying the registered member details
Updating the details of the members
Deleting the details of the members
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Feasibility Study
Feasibility studies aim to objectively and rationally uncover the strengths and weaknesses of the
existing business or proposed venture, opportunities and threats as presented by the environment,
the resources required to carry through, and ultimately the prospects for success.
In its simplest term, the two criteria to judge feasibility are cost required and value to be attained.
As such, a well-designed feasibility study should provide a historical background of the business
or project, description of the product or service, accounting statements, details of the operations
and management, marketing research and policies, financial data, legal requirements and tax
obligations. Generally, feasibility studies precede technical development and project
implementation.
They are 3 types of Feasibility
Technology and system feasibility
The assessment is based on an outline design of system requirements in terms of Input, Processes,
Output, Fields, Programs, and Procedures. This can be quantified in terms of volumes of data,
trends, frequency of updating, etc. in order to estimate whether the new system will perform
adequately or not.
Technological feasibility is carried out to determine whether the company has the capability, in
terms of software, hardware, personnel and expertise, to handle the completion of the project
Whether the required technology is available or not
Whether the required resources are available
Manpower- programmers, testers & debuggers
Software and hardware
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Once the technical feasibility is established, it is important to consider the monetary factors also.
Since it might happen that developing a particular system may be technically possible but it may
require huge investments and benefits may be less. For evaluating this, economic feasibility of
the proposed system is carried out.
Operational Feasibility
Operational feasibility is mainly concerned with issues like whether the system will be used if it
is developed and implemented. Whether there will be resistance from users that will affect the
possible application benefits? The essential questions that help in testing the operational
feasibility of a system are following.
Does management support the project?
Are the users not happy with current business practices?
Will it reduce the time (operation) considerably? If yes, then they will welcome the
change and the new system.
Have the users been involved in the planning and development of the project? Early
involvement reduces the probability of resistance towards the new system.
Will the proposed system really benefit the organization?
Does the overall response increase?
Will accessibility of information be lost?
Will the system effect the customers in considerable way?
Economic Feasibility
For any system if the expected benefits equal or exceed the expected costs, the system can be
judged to be economically feasible. In economic feasibility, cost benefit analysis is done in which
expected costs and benefits are evaluated. Economic analysis is used for evaluating the
effectiveness of the proposed system.
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In economic feasibility, the most important is cost-benefit analysis. As the name suggests, it is an
analysis of the costs to be incurred in the system and benefits derivable out of the system.
http://www.freetutes.com/systemanalysis/sa3-cost-benefit-analysis.htmlhttp://www.freetutes.com/systemanalysis/sa3-cost-benefit-analysis.html -
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System Requirement Specifications
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Functional Requirements
Introduction:
In software engineering, a functional requirement defines a function of a software system or its
component. A function is described as a set of inputs, the behavior, and outputs (see also
software).
Functional requirements may be calculations, technical details, data manipulation and processing
and other specific functionality that define what a system is supposed to accomplish. Behavioral
requirements describing all the cases where the system uses the functional requirements are
captured in use cases.
In order to show the functional requirements of the software we have to identify the following
activities.
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In order to show the functional requirements of the software we have to
identify the following activities.
1. Identifying Actors:
The different actors involved with the Project:
1. Administrator
2. Member
Roles of the Actors: The following are the roles of the actors
Administrator: The role of the administrator is to maintain all the master
information like locations Information, members information
Customer: The role of the customer is to view locations within vizag
2. Identifying Scenarios:
A scenario is a narrative description of what function will the client perform
on the system. In our project the following scenario takes place
Scenario - 1
Scenario name: ManageLocation
Participating Actor instances: Mr. Kumar: Administrator.
Flow of Events:
1. Kumar, wants to add new hotel information, so he activates the
ManageLocation system from his computer.
2. Kumar, enters into the system and submits the details and waits for an
acknowledgement.
3. OpenManageLocation function accepts the details and stores them into
the database.
4. The ManageLocation system sends Kumar an acknowledgement that
the details have been added.
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Scenario - 2
Scenario name: ViewLocation
Participating Actor instances: Mr. Kumar: Administrator, Mr. Satish:
Customer.
Flow of Events:
1. Satish, wants to view the information of the various hotels within vizag. He
activates the ViewLocaiton system from his computer.
2. Satish, enters into the system and views all the Various categories that
are available, and selects the Hotel option. The ViewLocation system
displays the Sign up form.
3. Satish enters his details, and submits it. The ViewLocation system
displays the information of the selected hotel along with its map.
4. Satish generates a report of the location and takes a print out of it.
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3. Identifying Use Cases:
Use Cases are used to identify the different functions that are involved during the
use of the software.
Use Case 1:
Use Case Name: ManageLocation
Participating Actors: Initiated by Administrator
Flow of Events:
1. Administrator, wants to add new hotel information, so he activates the
ManageLocation system from his computer.2. Administrator, enters into the system and submits the details and waits for
an acknowledgement.
3. OpenManageLocation function accepts the details and stores them into
the database.
4. The ManageLocation system sends Administrator an acknowledgement
that the details have been added.
Entry Conditions: The Administrator is logged into the ManageLocationDetails
system
Exit Conditions: The Administrator has received an acknowledgement (or) He
has received an explanation why the transaction could not be processed.
Use Case 2:
Use Case Name: ReportViewLocation
Participating Actors: Initiated by Customer, Communicates with Administrator
Flow of Events:
1. Customer, wants to view the information of the various hotels within vizag.
He activates the ViewLocaiton system from his computer.
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2. Customer, enters into the system and views all the Various categories that
are available, and selects the Hotel option. The ViewLocation system
displays the Sign up form.
3. Customer enters his details, and submits it. The ViewLocation system
displays the information of the selected hotel along with its map.
4. Customer generates a report of the location and takes a print out of it.
Entry Conditions: The Customer enters into the ReportLocation system
Exit Conditions: The Customer has received an acknowledgement (or) He has
received an explanation why the transaction could not be processed.
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Non Functional Requirements
Non-Functional Requirements describe the aspect of the system that are not directly related to its
functional behavior. The different Non-functional requirements for our project are
Performance Requirements: Since the software is online, therefore much of the
performance of the system depends on the traffic that is present online and the speed of the
Internet. We are trying to give an improved performance by setting cookies to the functions so
that when the user submits something for the second time, the processing is done much quicker.
Security Requirements: In order to provide security to the data all the different loginIDs
are completed encrypted and then transferred online. A strong encryption technique is used to
encrypt all the sensitive data.
Quality Software Requirements: The software is developed with a very high quality, asthe users can find their required data very quickly and efficiently. We will also provide a user
documentation with which the user can use the software very easily.
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Software Requirements
Platform:
Windows XP Operating System
Server:
Apache Tomcat Web Server
Technology:
J2SE (Java 2 Second Edition) and J2EE (Java 2 Enterprise
Edition)
API:
Java SQL Package (java.sql)
Java Servlet Package (javax.servlet)
Database:
Oracle
Front End Design Tool:
HTML, DHTML, Dreamweaver, Javascript, Cascading Style Sheets
Image Design Tools:
Adobe Photoshop
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Hardware Requirements
PROCESS : PENTIUM IV 2.6 GHz
RAM : 512 MB DD RAM
MONITOR : 15 COLOR
HARD DISK : 20 GB
CDDRIVE : LG 52X
KEYBOARD : STANDARD 102 KEYS
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UML Diagrams
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Introduction to UML
Unified Modeling Language is the one of the most exciting tools in the world of system
development today. Because UML enables system builders to create blue prints that capture their
visions in a standard, easy to understand way and communicate them to others. The UML is
brainchild of Grady Brooch, James Rumbaugh and Ivar Jacobson.
Components of UML:
The UML consists of a number of graphical elements that combine to form diagrams. Because
its a language, the UML has rules for combining these elements. The purpose of the diagrams to
present multiple views of the system, and this set of multiple views is called a Model. A UML
Model of a system is something like a scale model of a building. UML model describes what a
system is supposed to do. It doesnt tell how to implement the system.
Use Case Diagram:
A Use-Case is a description of a systems behavior from a users stand point. For system developer
this is a valuable tool: its a tried-and-true technique for gathering system requirements from a
users point of view. A little stick figure is used to identify an actor the ellipse represents use-case
functions.
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Notations of Use Cases
Use cases. A use case describes a sequence of actions that provide something of measurable value
to an actor and is drawn as a horizontal ellipse.
Actors. An actor is a person, organization, or external system that plays a role in one or more
interactions with your system. Actors are drawn as stick figures.
Associations. Associations between actors and use cases are indicated in use case diagrams by
solid lines. An association exists whenever an actor is involved with an interaction described by a
use case. Associations are modeled as lines connecting use cases and actors to one another, with
an optional arrowhead on one end of the line. The arrowhead is often used to indicating the
direction of the initial invocation of the relationship or to indicate the primary actor within the use
case. The arrowheads are typically confused with data flow and as a result I avoid their use.
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System boundary boxes (optional). You can draw a rectangle around the use cases, called the
system boundary box, to indicates the scope of your system. Anything within the box represents
functionality that is in scope and anything outside the box is not. System boundary boxes are
rarely used, although on occasion I have used them to identify which use cases will be delivered
in each major release of a system.
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Classs Diagrams:
Class diagrams describe the structure of the system in terms of classes and objects.
Classes are abstractions that specify the attributes and behavior of a set of objects. Objects are
entities that encapsulate state and behavior. Each object has an identity: It can be referred
individually and is distinguishable from other objects.
Basic Class Diagram Symbols and Notations
Classes represent an abstraction of entities with common characteristics. Associations represent
the relationships between classes.
Illustrate classes with rectangles divided into compartments. Place the name of the class in the
first partition (centered, bolded, and capitalized), list the attributes in the second partition, and
write operations into the third.
Active Class
Active classes initiate and control the flow of activity, while passive classes store data and serve
other classes. Illustrate active classes with a thicker border.
Visibility
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Use visibility markers to signify who can access the information contained within a class. Private
visibility hides information from anything outside the class partition. Public visibility allows all
other classes to view the marked information. Protected visibility allows child classes to access
information they inherited from a parent class
Associations
Associations represent static relationships between classes. Place association names above, on, or
below the association line. Use a filled arrow to indicate the direction of the relationship. Place
roles near the end of an association. Roles represent the way the two classes see each other.
Note: It's uncommon to name both the association and the class roles.
Multiplicity (Cardinality)
Place multiplicity notations near the ends of an association. These symbols indicate the number of
instances of one class linked to one instance of the other class. For example, one company will
have one or more employees, but each employee works for one company only.
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Composition and Aggregation
Composition is a special type of aggregation that denotes a strong ownership between Class A,
the whole, and Class B, its part. Illustrate composition with a filled diamond. Use a hollow
diamond to represent a simple aggregation relationship, in which the "whole" class plays a more
important role than the "part" class, but the two classes are not dependent on each other. The
diamond end in both a composition and aggregation relationship points toward the "whole" class
or the aggregate.
Generalization
Generalization is another name for inheritance or an "is a" relationship. It refers to a relationship
between two classes where one class is a specialized version of another. For example, Honda is a
type of car. So the class Honda would have a generalization relationship with the class car.
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Sequence Diagrams
Sequence diagrams describe interactions among classes in terms of an exchange of messages over
time.
Basic Sequence Diagram Symbols and Notations
Class roles
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Class roles describe the way an object will behave in context. Use the UML object symbol to
illustrate class roles, but don't list object attributes.
Activation
Activation boxes represent the time an object needs to complete a task.
Messages
Messages are arrows that represent communication between objects. Use half-arrowed lines to
represent asynchronous messages. Asynchronous messages are sent from an object that will not
wait for a response from the receiver before continuing its tasks.
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Lifelines
Lifelines are vertical dashed lines that indicate the object's presence over time.
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State Chart Diagrams
A statechart diagram shows the behavior of classes in response to external stimuli. This diagram
models the dynamic flow of control from state to state within a system.
Basic Statechart Diagram Symbols and Notations
States
States represent situations during the life of an object. You can easily illustrate a state in
SmartDraw by using a rectangle with rounded corners.
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Transition
A solid arrow represents the path between different states of an object. Label the transition with
the event that triggered it and the action that results from it.
Initial State
A filled circle followed by an arrow represents the object's initial state.
Final State
An arrow pointing to a filled circle nested inside another circle represents the object's final state.
Synchronization and Splitting of Control
A short heavy bar with two transitions entering it represents a synchronization of control. A short
heavy bar with two transitions leaving it represents a splitting of control that creates multiple
states.
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Activity Diagrams
An activity diagram illustrates the dynamic nature of a system by modeling the flow of control
from activity to activity. An activity represents an operation on some class in the system that
results in a change in the state of the system. Typically, activity diagrams are used to model
workflow or business processes and internal operation. Because an activity diagram is a special
kind of statechart diagram, it uses some of the same modeling conventions.
Basic Activity Diagram Symbols and Notations
Action states
Action states represent the noninterruptible actions of objects. You can draw an action state in
SmartDraw using a rectangle with rounded corners.
Action Flow
Action flow arrows illustrate the relationships among action states.
Object Flow
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Object flow refers to the creation and modification of objects by activities. An object flow arrow
from an action to an object means that the action creates or influences the object. An object flow
arrow from an object to an action indicates that the action state uses the object.
Initial State
A filled circle followed by an arrow represents the initial action state.
Final State
An arrow pointing to a filled circle nested inside another circle represents the final action state.
Branching
A diamond represents a decision with alternate paths. The outgoing alternates should be labeled
with a condition or guard expression. You can also label one of the paths "else."
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Synchronization
A synchronization bar helps illustrate parallel transitions. Synchronization is also called forking
and joining.
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Collaboration Diagrams
A collaboration diagram describes interactions among objects in terms of sequenced messages.
Collaboration diagrams represent a combination of information taken from class, sequence, and
use case diagrams describing both the static structure and dynamic behavior of a system.
Basic Collaboration Diagram Symbols and Notations
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Class roles
Class roles describe how objects behave. Use the UML object symbol to illustrate class roles, but
don't list object attributes.
Association roles
Association roles describe how an association will behave given a particular situation. You can
draw association roles using simple lines labeled with stereotypes.
Messages
Unlike sequence diagrams, collaboration diagrams do not have an explicit way to denote time and
instead number messages in order of execution. Sequence numbering can become nested using
the Dewey decimal system. For example, nested messages under the first message are labeled 1.1,
1.2, 1.3, and so on. The a condition for a message is usually placed in square brackets
immediately following the sequence number. Use a * after the sequence number to indicate a
loop.
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SystemDesign
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A software design document (SDD) is a written description of a software product, that a software
designer writes in order to give a software development team an overall guidance of the
architecture of the software project.
An SDD usually accompanies an architecture diagram with pointers to detailed feature
specifications of smaller pieces of the design. Practically, a design document is required to
coordinate a large team under a single vision.
A design document needs to be a stable reference, outlining all parts of the software and how they
will work. The document is commanded to give a fairly complete description, while maintaining
a high-level view of the software.
The SDD contains the following documents:
1. Architecture Design
2. User Interface Design
3. Data Design
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System/Architecture Design
3 Tier Architecture
Three-tier[2] is a clientserver architecture in which the user interface, functional process logic
("business rules"), computer data storage and data access are developed and maintained as
independent modules, most often on separate platforms. It was developed by John J. Donovan in
Open Environment Corporation (OEC), a tools company he founded in Cambridge,
Massachusetts.
The three-tier model is a software architecture and a software design pattern.
Apart from the usual advantages of modular software with well-defined interfaces, the three-tier
architecture is intended to allow any of the three tiers to be upgraded or replaced independently as
requirements or technology change. For example, a change of operating system in the
presentation tier would only affect the user interface code.
Typically, the user interface runs on a desktop PC or workstation and uses a standard graphical
user interface, functional process logic may consist of one or more separate modules running on a
workstation or application server, and an RDBMS on a database server or mainframe contains the
computer data storage logic. The middle tier may be multi-tiered itself (in which case the overall
architecture is called an "n-tier architecture").
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Three-tier architecture has the following three tiers:
Presentation tier
This is the topmost level of the application. The presentation tier displays information relatedto such services as browsing merchandise, purchasing, and shopping cart contents. It
communicates with other tiers by outputting results to the browser/client tier and all other tiers in
the network.
Application tier (business logic, logic tier, data access tier, or
middle tier)
The logic tier is pulled out from the presentation tier and, as its own layer, it controls anapplications functionality by performing detailed processing.
Data tier
This tier consists of database servers. Here information is stored and retrieved. This tier keeps
data neutral and independent from application servers or business logic. Giving data its own tier
also improves scalability and performance.
Deployment Diagrams
Deployment diagrams depict the physical resources in a system including nodes, components,
and connections.
Basic Deployment Diagram Symbols and Notations
Component
A node is a physical resource that executes code components.
Learn how to resize grouped objects like nodes.
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User Interface Design
User interface design or user interface engineering is the design of computers, appliances,machines, mobile communication devices, software applications, and websites with the focus on
the user's experience and interaction.
The goal of user interface design is to make the user's interaction as simple and efficient as
possible, in terms of accomplishing user goalswhat is often called user-centered design.
Good user interface design facilitates finishing the task at hand without drawing unnecessary
attention to itself. Graphic design may be utilized to support its usability. The design process
must balance technical functionality and visual elements (e.g., mental model) to create a system
that is not only operational but also usable and adaptable to changing user needs.
Interface design is involved in a wide range of projects from computer systems, to cars, to
commercial planes; all of these projects involve much of the same basic human interactions yet
also require some unique skills and knowledge.
As a result, designers tend to specialize in certain types of projects and have skills centered
around their expertise, whether that be software design, user research, web design, or industrial
design.
Tips for User Interface
Consistency, consistency, consistency. I believe the most important thing you
can possibly do is ensure your user interface works consistently. If you can double-click on items
in one list and have something happen, then you should be able to double-click on items in any
other list and have the same sort of thing happen. Put your buttons in consistent places on all your
windows, use the same wording in labels and messages, and use a consistent color scheme
throughout. Consistency in your user interface enables your users to build an accurate mental
model of the way it works, and accurate mental models lead to lower training and support costs.
2. Set standards and stick to them:
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The only way you can ensure consistency within your application is to set user interface design
standards, and then stick to them. You should follow Agile Modeling (AM)s Apply Modeling
Standards practice in all aspects of software development, including user interface design.
3. Be prepared to hold the line.
When you are developing the user interface for your system you will discover that your
stakeholders often have some unusual ideas as to how the user interface should be developed.
You should definitely listen to these ideas but you also need to make your stakeholders aware of
your corporate UI standards and the need to conform to them.
4. Explain the rules.
Your users need to know how to work with the application you built for them. When an
application works consistently, it means you only have to explain the rules once. This is a lot
easier than explaining in detail exactly how to use each feature in an application step-by-step.
5. Navigation between major user interface items is important.
If it is difficult to get from one screen to another, then your users will quickly become frustrated
and give up. When the flow between screens matches the flow of the work the user is trying to
accomplish, then your application will make sense to your users. Because different users work in
different ways, your system needs to be flexible enough to support their various approaches. User
interface-flow diagrams should optionally be developed to further your understanding of the flow
of your user interface.
6. Navigation within a screen is important.
In Western societies, people read left to right and top to bottom. Because people are used to this,
should you design screens that are also organized left to right and top to bottom when designing a
user interface for people from this culture? You want to organize navigation between widgets on
your screen in a manner users will find familiar to them.
7. Word your messages and labels effectively.
The text you display on your screens is a primary source of information for your users. If your
text is worded poorly, then your interface will be perceived poorly by your users. Using full
words and sentences, as opposed to abbreviations and codes, makes your text easier to
understand. Your messages should be worded positively, imply that the user is in control, and
provide insight into how to use the application properly. For example, which message do you find
more appealing You have input the wrong information or An account number should be eight
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digits in length. Furthermore, your messages should be worded consistently and displayed in a
consistent place on the screen. Although the messages The persons first name must be input
and An account number should be input are separately worded well, together they are
inconsistent. In light of the first message, a better wording of the second message would be The
account number must be input to make the two messages consistent.
8. Understand the UI widgets.
You should use the right widget for the right task, helping to increase the consistency in your
application and probably making it easier to build the application in the first place. The only way
you can learn how to use widgets properly is to read and understand the user-interface standards
and guidelines your organization has adopted.
9. Look at other applications with a grain of salt.
Unless you know another application has been verified to follow the user interface-standards and
guidelines of your organization, dont assume the application is doing things right. Although
looking at the work of others to get ideas is always a good idea, until you know how to
distinguish between good user interface design and bad user interface design, you must be
careful. Too many developers make the mistake of imitating the user interface of poorly designed
software.
10. Use color appropriately.
Color should be used sparingly in your applications and, if you do use it, you must also use asecondary indicator. The problem is that some of your users may be color blind and if you are
using color to highlight something on a screen, then you need to do something else to make it
stand out if you want these people to notice it. You also want to use colors in your application
consistently, so you have a common look and feel throughout your application.
11. Follow the contrast rule.
If you are going to use color in your application, you need to ensure that your screens are still
readable. The best way to do this is to follow the contrast rule: Use dark text on light backgrounds
and light text on dark backgrounds. Reading blue text on a white background is easy, but reading
blue text on a red background is difficult. The problem is not enough contrast exists between blue
and red to make it easy to read, whereas there is a lot of contrast between blue and white.
12. Align fields effectively.
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When a screen has more than one editing field, you want to organize the fields in a way that is
both visually appealing and efficient. I have always found the best way to do so is to left-justify
edit fields: in other words, make the left-hand side of each edit field line up in a straight line, one
over the other. The corresponding labels should be right-justified and placed immediately beside
the field. This is a clean and efficient way to organize the fields on a screen.
13. Expect your users to make mistakes. How many times have you accidentally
deleted some text in one of your files or deleted the file itself? Were you able to recover from
these mistakes or were you forced to redo hours, or even days, of work? The reality is that to err
is human, so you should design your user interface to recover from mistakes made by your users.
14. Justify data appropriately.
For columns of data, common practice is to right-justify integers, decimal align floating-point
numbers, and to left-justify strings.
15.Your design should be intuitable.
In other words, if your users dont know how to use your software, they should be able to
determine how to use it by making educated guesses. Even when the guesses are wrong, your
system should provide reasonable results from which your users can readily understand and
ideally learn.
16. Dont create busy user interfaces.
Crowded screens are difficult to understand and, hence, are difficult to use. Experimental results
show that the overall density of the screen should not exceed 40 percent, whereas local density
within groupings should not exceed 62 percent.
17. Group things effectively.
Items that are logically connected should be grouped together on the screen to communicate they
are connected, whereas items that have nothing to do with each other should be separated. You
can use white space between collections of items to group them and/or you can put boxes around
them to accomplish the same thing.
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Data Design
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INTRODUCTION:
Persistent data and objects that have been derived during the Design is used to develop the
database. Storing data in a database enables the system to perform complex queries on a large data set.
Where and how the data is stored in the system impacts the system decomposition. The selection of a
specific data base management system can also have the implications on the overall control strategy
and concurrency management.
Entity Relationship Model: An Entity relationship model is a diagrammatic
representation of entities, attributes and the relationship among those entities and attributes.
Entity Type: Any thing in the real world that has the same characteristics or attributes can be
termed as an Entity. For example student can be called as an entity as they have the same
attributes such as roll number, name, address etc.
Attributes: The characteristics of an entity are called as attributes. Each entity will have its
own values for each attribute. For example the attributes for a student entity are roll number,
name, address etc. A Student entity such as Ravi will have its own values such as 1, Ravi,
Visakhapatnam etc.
Entity Set: The collection of entities of a particular entity type are grouped into an Entity Set.
For example if employee is the entity type then the collection of all the employees is referred as
the entity set.
Notations for ER-Diagram: In the ER diagrams the cardinality ration between the entity
types can be represented by attaching 1, M, or N on each participating edge. For example the
cardinality ratio of Department:Employee for manages is 1:1.
The different symbols used to represent the E-R diagram are
Rectangles: This symbol represents the each entity type.
Double Rectangle: This represent a Weak Entity.
Diamonds: These represent the relationship among the entities.
Double Diamonds: These represent the identifying relationship between the entities.
Ellipses: These represent the attributes of an entity.
Underlined Ellipse: These represent the key attributes of an entity.
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Double Ellipse: These represent Multi valued attributes.
Dotted Ellipse: This represent Derived attribute.
Lines: Lines represent the connection between the attributes to their
entities, and also entities to entities.
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Normalization
The process of analyzing the data to be represented and breaking it down into separate tables in
accordance with the principles of relational structure.
Need for Normalization
Normalization reduces redundancy. Redundancy is the unnecessary repetition of data. It can cause
problems with storage and retrieval of data redundancy can lead to inconsistence. Errors are more
likely to occur when facts are repeated. Update anomalies inserting, deleting, modifying data may
cause inconsistence. There is high likelihood of updating or deleting data in one relation, while
omitting to make corresponding changes in other relations.
During the process of normalization, we can identify dependence, which can cause problems when
deleting or updating. Normalization also helps to simplify the structure of tables to fully normalize
record, which should consist of a primary key that identifies that entity is a set of attributes that
describes the entity.
Normal Forms
Normalization results in the formation of tables that satisfy certain specified constraints and represent
certain normal forms. Normal forms are table structures with minimum redundancy.
First Normal Form
A relation R is in first normal form if and only if all underlying domains contain atomic values only.
Second Normal Form
A relation R is in the second normal form if and only if its is in 1st NF and every non key attributes
is fully dependent on the primary key.
Third Normal Form
A relation R is in Third Normal form if and only if it is in SNF and every non-key attributes is not
transitively dependent on the primary key.
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Fourth Normal Form
A relation R is in fourth normal form if and only if whenever there exist a multi-valued dependency is
R, say A>>B, then attributes on other attribute is a determinant.
Boyce-codd Normal Form
A relation is in Boyce-codd normal form (BCNF) if and only if every determinant is a candidate key.
An attribute is fully dependent on other attribute is a determinant.
Fifth Normal Form
A relation is in fifth normal form also called project-join normal form(PJNF) if and only if the
candidate keys of R imply every join dependency in R.
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DATA DICTIONARY
After applying 1st , 2nd, and 3rd Normal form on the above relations we are able to derive the
following tables.
create table login
(
username varchar2(20),
password varchar2(20)
);
insert into login values('admin','admin');
create table entertainment
(
eid number(5) primary key,
cat varchar2(50),
hname varchar2(50),
hadrs varchar2(500),
hfacilities varchar2(500),
himage varchar2(200),
hloc varchar2(200),
phone varchar2(50)
);
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create sequence eidseq start with 1 increment by 1;
create or replace trigger eidinsert
before insert on entertainment
for each row
begin
select eidseq.nextval into :new.eid from dual;
end;
/
create table members
(
username varchar2(50),
password varchar2(50),
name varchar2(50),
address varchar2(50),
emailid varchar2(50),
phoneno varchar2(50),
rid varchar2(50),
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country varchar2(50)
);
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Software Technology
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Technologies Used
HTML
Hypertext Markup Language (HTML), the languages of the World Wide Web (WWW), allows users
to produces Web pages that include text, graphics and pointer to other Web pages (Hyperlinks).
HTML is not a programming language but it is an application of ISO Standard 8879, SGML (Standard
Generalized Markup Language), but specialized to hypertext and adapted to the Web. The idea behind
Hypertext is that instead of reading text in rigid linear structure, we can easily jump from one point to
another point.
Basic HTML Tags:
specifies comments
. Creates hypertext links
. Formats text as bold
. Formats text in large font.
Contains all tags and text in the HTML document
... Creates text
Definition of a term
... Creates definition list
Formats text with a particular font
... Encloses a fill-out form
... Defines a particular frame in a set of frames
Creates headings of different levels( 1 6 )
... Contains tags that specify information about a document
... Creates a horizontal rule
Contains all other HTML tags
... Provides meta-information about a document
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Contains client-side or server-side script
Creates a table
Indicates table data in a table
Designates a table row
Creates a heading in a table
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JavaScript
JavaScript is a script-based programming language that was developed by Netscape Communication
Corporation. JavaScript was originally called Live Script and renamed as JavaScript to indicate itsrelationship with Java. JavaScript supports the development of both client and server components of
Web-based applications. On the client side, it can be used to write programs that are executed by a
Web browser within the context of a Web page. On the server side, it can be used to write Web server
programs that can process information submitted by a Web browser and then update the browsers
display accordingly
Even though JavaScript supports both client and server Web programming, we prefer JavaScript at
Client side programming since most of the browsers supports it. JavaScript is almost as easy to learn
as HTML, and JavaScript statements can be included in HTML documents by enclosing thestatements between a pair of scripting tags
.. .
JavaScript statements
Here are a few things we can do with JavaScript:
Validate the contents of a form and make calculations.
Add scrolling or changing messages to the Browsers status line.
Animate images or rotate images that change when we move the mouse over them.
Detect the browser in use and display different content for different browsers.
Detect installed plug-ins and notify the user if a plug-in is required.
We can do much more with JavaScript, including creating entire application.
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Java Technology
Initially the language was called as oak but it was renamed as Java in 1995. The primary
motivation of this language was the need for a platform-independent (i.e., architecture neutral)
language that could be used to create software to be embedded in various consumer electronic
devices.
Java is a programmers language.
Java is cohesive and consistent.
Except for those constraints imposed by the Internet environment, Java gives the
programmer, full control.
Finally, Java is to Internet programming where C was to system programming.
Features of Java
Portability
For programs to be dynamically downloaded to all the various types of platforms connected to the
Internet, some means of generating portable executable code is needed.
The Byte code
The key that allows the Java to solve the security and portability problems is that the output of
Java compiler is Byte code. Byte code is a highly optimized set of instructions designed to be
executed by the Java run-time system, which is called the Java Virtual Machine (JVM). That is,
in its standard form, the JVM is an interpreter for byte code.
Compiling and interpreting Java Source Code
During run-time the Java interpreter tricks the byte code file into thinking that it is running on a
Java Virtual Machine. In reality this could be a Intel Pentium Windows 95 or SunSARC station
running Solaris or Apple Macintosh running system and all could receive code from any
computer through Internet and run the Applets.
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Simple
Java was designed to be easy for the Professional programmer to learn and to use effectively. If
you are an experienced C++ programmer, learning Java will be even easier. Because Java inherits
the C/C++ syntax and many of the object oriented features of C++. Most of the confusing
concepts from C++ are either left out of Java or implemented in a cleaner, more approachable
manner. In Java there are a small number of clearly defined ways to accomplish a given task.
Object-Oriented
Java was not designed to be source-code compatible with any other language. This allowed the
Java team the freedom to design with a blank slate. One outcome of this was a clean usable,
pragmatic approach to objects. The object model in Java is simple and easy to extend, while
simple types, such as integers, are kept as high-performance non-objects.
Robust
The multi-platform environment of the Web places extraordinary demands on a program, because
the program must execute reliably in a variety of systems. The ability to create robust programs
was given a high priority in the design of Java. Java is strictly typed language; it checks your
code at compile time and run time.
Java virtually eliminates the problems of memory management and de-allocation, which is
completely automatic. In a well-written Java program, all run time errors can and should be
managed by your program.
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Java Database Connectivity
What Is JDBC?
JDBC is a Java API for executing SQL statements. (As a point of interest, JDBC is a trademarkedname and is not an acronym; nevertheless, JDBC is often thought of as standing for Java
Database Connectivity. It consists of a set of classes and interfaces written in the Java
programming language. JDBC provides a standard API for tool/database developers and makes it
possible to write database applications using a pure Java API.
Using JDBC, it is easy to send SQL statements to virtually any relational database. One can write
a single program using the JDBC API, and the program will be able to send SQL statements to
the appropriate database. The combinations of Java and JDBC lets a programmer write it once
and run it anywhere.
What Does JDBC Do?
Simply put, JDBC makes it possible to do three things:
Establish a connection with a database
Send SQL statements
Process the results.
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JAVA
Application
JDBCDBMSClient machineDBMS-proprietary
protocol
Database
server
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Java applet or
Html browser
Application
Server (Java)
JDBC
DBMSClient machine (GUI)HTTP, RMI, or CORBA
calls
Server machine (business
Logic)
DBMS-proprietary
protocol
Database server
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Testing
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A test plan is a document detailing a systematic approach to testing a system such as a machine or
software. The plan typically contains a detailed understanding of what the eventual workflow will be.
A test plan documents the strategy that will be used to verify and ensure that a product or system
meets its design specifications and other requirements. A test plan is usually prepared by or with
significant input from Test Engineers.
Depending on the product and the responsibility of the organization to which the test plan applies, a
test plan may include one or more of the following:
* Design Verification or Compliance test - to be performed during the development or approval
stages of the product, typically on a small sample of units.
* Manufacturing or Production test - to be performed during preparation or assembly of the product
in an ongoing manner for purposes of performance verification and quality control.
* Acceptance or Commissioning test - to be performed at the time of delivery or installation of the
product.
* Service and Repair test - to be performed as required over the service life of the product.
* Regression test - to be performed on an existing operational product, to verify that existing
functionality didn't get broken when other aspects of the environment are changed (e.g., upgrading the
platform on which an existing application runs).
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Test Strategies
A test strategy is an outline that describes the testing portion of the software development cycle. It is
created to inform project managers, testers, and developers about some key issues of the testing
process. This includes the testing objective, methods of testing new functions, total time and resources
required for the project, and the testing environment.
The test strategy describes how the product risks of the stakeholders are mitigated at the test-level,
which types of test are to be performed, and which entry and exit criteria apply.
The test strategy is created based on development design documents. The system design document is
the main one used and occasionally, the conceptual design document can be referred to. The designdocuments describe the functionalities of the software to be enabled in the upcoming release. For
every set of development design, a corresponding test strategy should be created to test the new
feature sets.
Test Levels
The test strategy describes the test level to be performed. There are primarily three levels of testing:
unit testing, integration testing, and system testing. In most software development organizations, the
developers are responsible for unit testing. Individual testers or test teams are responsible for
integration and system testing.
Functional Testing
Functional testing is a type of black box testing that bases its test cases on the specifications of the
software component under test. Functions are tested by feeding them input and examining the output,
and internal program structure is rarely considered.[1]
Functional testing differs from system testing in that functional testing "verif[ies] a program by
checking it against ... design document(s) or specification(s)", while system testing "validate[s] a
program by checking it against the published user or system requirements
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Functional testing typically involves five steps[citation needed]:
1. The identification of functions that the software is expected to perform
2. The creation of input data based on the function's specifications
3. The determination of output based on the function's specifications
4. The execution of the test case
5. The comparison of actual and expected outputs
Test Cases
A test case is a set of input data and expected results that exercises a component with the purpose of
causing failures and detecting faults. A test case has five attributes: name, location, input, oracle, and
log. The name of the test case allows the tester to distinguish between different test cases. A heuristic
for naming test cases is to derive the name from the requirement it is testing or from the component
being tested. The location attribute describes where the test case can be found. It should be either the
pathname or the URL to the executable of the test program and its inputs.
Input describes the set of input data or commands to be entered by the actor of the test case. The
expected behavior is described by the oracle attribute. The log is set of time-stamped correlations of
the observed behavior with the expected behavior for various test runs.
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Test Case 1:
Name of the Test Case: ManageLocationTest
Input Data: Category, Sub Category, Name, Location, Description, facilities,
map,image
Oracle:
1. Enter the locaiton details in the form
2. Select Submit button
3. Location has been successfully added
Output: Location has been successfully added
Test Report 1
Name of the Report: ManageRoomReport
Testing Technology: Functional Testing
Tested Data: Hotel, Taj, Taj Mahal Hotel, Vizag, 5 Star, Luxury Rooms
Test Result: Successful with no defects
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Test Case 2:
Name of the Test Case: MemberRegisterTest
Input Data: Username, Password, Name, Email ID, Mobile No, City, Country
Oracle:
1. Select the type of Room to book
2. The Login page will be displayed
3. Select the Sign Up button
4. The Member Registration form will open
5. Enter the details in the form
6. Select Submit button
7. Thank you, You are a registered Member
Output:
1. The Register Login form
2. The MemberRegistration Form
3. Thank you, You are a registered Member
Test Report 2
Name of the Report: MemberRegisterReport
Testing Technology: Functional Testing
Tested Data: Surya, Surya, PV Surya, [email protected], 9874563210, Vizag,
India
Test Result: Successful with no defects
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Test Case 3:
Name of the Test Case: ViewLocationTest
Input Data: Category, Sub Category, Name, Location, Description, facilities,
map,image
Oracle:
1. Select Category of the Locations
2. The Sub Categories will be displayed.
3. Select the Sub Category. The Location details of the sub categories will be
displayed
4. Select the Generate button
5. The Location report will be generated.
6. Select the Print button to print the report
Output:
1. Display different Categories
2. Display different Sub Categories
3. Display Location Details
4. Display Report
Test Report 3
Name of the Report: ViewLocationReport
Testing Technology: Functional Testing
Tested Data: Hotel, Taj, Taj Mahal Hotel, Vizag, 5 Star, Luxury Rooms
Test Result: Successful with no defects
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Sample Code
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SAMPLE CODE FOR PROJECT BEAN
package bean;
import java.sql.*;
public class ProjectBean
{
private Connection connection;
private Statement statement;
private static final Stringdriver="oracle.jdbc.driver.OracleDriver";
private static final String
dbURL="jdbc:oracle:thin:@localhost:1521:XE";
private static final String username="system";
private static final String password="manager";
public ProjectBean()
{
try
{
Class.forName(driver);
connection=DriverManager.getConnection(dbURL,username,
password);
statement=connection.createStatement();
}
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catch (ClassNotFoundException e)
{
System.err.println("ConnectionBean: driver
unavailable");
}
catch (SQLException e)
{
System.err.println("ConnectionBean: driver not
loaded");
}
}
public Connection getConnection()
{
return connection;
}
public ResultSet executeQuery(String sql) throws
SQLException
{
return statement.executeQuery(sql);
}
public int executeUpdate(String sql) throws SQLException
{
return statement.executeUpdate(sql);
}
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public void close() throws SQLException
{
statement.close();
}
Admin login process
Then admin login successfully
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Else
Login failed
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Add hotel process
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items = upload.parseRequest(request);
Iterator itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()){
String name =
item.getFieldName();String value = item.getString();
s[i]=value;
i++;
} else {
String itemName =
item.getName();
if(itemName!=null)
{
Random generator = new
Random();
int r =
Math.abs(generator.nextInt());
String reg = "[.*]";
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String replacingtext = "";
Pattern pattern =
Pattern.compile(reg);
Matcher matcher =pattern.matcher(itemName);
StringBuffer buffer = new
StringBuffer();
while (matcher.find()) {
matcher.appendReplacement(buffer, replacingtext);
}
int IndexOf =
itemName.indexOf(".");
String domainName =
itemName.substring(IndexOf);
finalimage = buffer.toString()
+"_"+r+domainName;
File savedFile = new
File("C:/Program Files/Apache Software Foundation/Tomcat
5.5/webapps/City guide/"+"images\\"+finalimage);
item.write(savedFile);
}
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}
}
Connection con=null;
ResultSet rs=null;
ResultSet rs1=null;
ResultSet rsc=null;
ProjectBean CBean=new ProjectBean();
String cat=s[0];
String hname=s[1];
String hdesc=s[2];
String hfacilities=s[3];
int rid=0;
String sql="insert into entertainment(cat,hname,hadrs,hfacilities,himage) values
('"+cat+"','"+hname+"','"+hdesc+"','"+hfacilities+"','"+final
image+"')";
i=CBean.executeUpdate(sql);
if(i==1)
{
rs=CBean.executeQuery("select eid from entertainment
where hname='"+hname+"'");
if (rs.next())
{
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rid=rs.getInt(1);
}else out.println("retrieved fail");
%>
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Add location of a place processing
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items = upload.parseRequest(request);
Iterator itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()){
String name =
item.getFieldName();String value = item.getString();
s[i]=value;
i++;
} else {
String itemName =
item.getName();
if(itemName!=null)
{
Random generator = new
Random();
int r =
Math.abs(generator.nextInt());
String reg = "[.*]";
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String replacingtext = "";
Pattern pattern =
Pattern.compile(reg);
Matcher matcher =pattern.matcher(itemName);
StringBuffer buffer = new
StringBuffer();
while (matcher.find()) {
matcher.appendReplacement(buffer, replacingtext);
}
int IndexOf =
itemName.indexOf(".");
String domainName =
itemName.substring(IndexOf);
finalimage = buffer.toString()
+"_"+r+domainName;
File savedFile = new
File("C:/Program Files/Apache Software Foundation/Tomcat
5.5/webapps/City guide/"+"images\\"+finalimage);
item.write(savedFile);
}
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}
}
Connection con=null;
ResultSet rs=null;
ResultSet rs1=null;
ResultSet rsc=null;
ProjectBean CBean=new ProjectBean();
String hid=s[0];
out.println(hid);
String msg=null;
int rid = Integer.parseInt(hid);
String sql="update entertainment set hloc='"+finalimage+"'
where eid ='"+rid+"'";
i=CBean.executeUpdate(sql);
if(i==1)
{
msg="Hotel Details Have Been Added Sucessfully........";
}else msg="failed......";
%>
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Update hotel details
%@page import="java.sql.*,bean.ProjectBean" %>
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}
%>
Hotel Name *
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Update hotel processing
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if(i==1)
{
msg="Hotel Details Have Been updated sucesfully........";
}else msg="failed......";
%>
Manage hotel details:
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String hname=rs.getString(2);
String hdesc=rs.getString(3);
String hfacilities=rs.getString(4);
%>
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Change password process:
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INPUT & OUTPUT SCREENS
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Admin login
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Add a place
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Updating hotel details
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Settings of admin
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Design
Software design is a process of problem-solving and planning for a software solution. After the
purpose and specifications of software are determined, software developers will design or employdesigners to develop a plan for a solution. It includes low-level component and algorithm
implementation issues as well as the architectural view.
Implementation
Computer programming (often shortened to programming or coding) is the process of designing,
writing, testing, debugging / troubleshooting, and maintaining the source code of computer
programs. This source code is written in a programming language. The purpose of programming
is to create a program that exhibits a certain desired behaviour. The process of writing source
code often requires expertise in many different subjects, including knowledge of the application
domain, specialized algorithms and formal logic.
Testing
Software testing is an investigation conducted to provide stakeholders with information about the
quality of the product or service under test.[1] Software testing also provides an objective,
independent view of the software to allow the business to appreciate and understand the risks of
software implementation. Test techniques include, but are not limited to, the process of executing
a program or application with the intent of finding software bugs.
Software testing can also be stated as the process of validating and verifying that a software
program/application/product:
1. meets the business and technical requirements that guided its design and development;
2. works as expected; and
3. can be implemented with the same characteristics.
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Installation
Software deployment is all of the activities that make a software system available for use.
The general deployment process consists of several interrelated activities with possible transitions
between them. These activities can occur at the producer site or at the consumer site or both.
Because every software system is unique, the precise processes or procedures within each activity
can hardly be defined. Therefore, "deployment" should be interpreted as a general process that
has to be customized according to specific requirements or characteristics. A brief description of
each activity will be presented later.
Maintenance
Software maintenance in software engineering is the modification of a software product after
delivery to correct faults, to improve performance or other attributes.[1]
A common perception of maintenance is that it is merely fixing bugs. However, studies and
surveys over the years have indicated that the majority, over 80%, of the maintenance effort is
used for non-corrective actions (Pigosky 1997). This perception is perpetuated by users
submitting problem reports that in reality are functionality enhancements to the system.
Software maintenance and evolution of systems was first addressed by Meir M. Lehman in 1969.
Over a period of twenty years, his research led to the formulation of eight Laws of Evolution
(Lehman 1997). Key findings of his research include that maintenance is really evolutionary
developments and that maintenance decisions are aided by understanding what happens to
systems (and software) over time. Lehman demonstrated that systems continue to evolve over
time. As they evolve, they grow more complex unless some action such as code refactoring is
taken to reduce the complexity.
The key software maintenance issues are both managerial and technical. Key management issues
are: alignment with customer priorities, staffing, which organization does maintenance,estimating costs. Key technical issues are: limited understanding, impact analysis, testing, and
maintainability measurement.
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CONCLUSION
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This project provides the Members to easily navigate through various location and also
generate the print outs of the locations which will help them to reach their destination.
The project gives detailed information of the location the customers are looking for. The
administrator will be able to maintain and enhance the location positions from time to time.
This is to conclude that the project titled Visakhapatnam Location
Tracker System, has been compiled, debugged and tested at the clients
place and is found to be successfully running. The project was completed in
time and is running at the clients place successfully.
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Bibiliography
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Bernd Bruegge & Allen H. Dutoit Object Oriented Software Engineering Using UML
Patterns Pearson Education, 1995
Herbert Schidlt, Java 2: The Complete Reference, Eighth Edition Osborne Complete Reference
Series
http://www.ibm.com/developerworks/rational/library/content/RationalEdge/sep04/bell/
http://www.agilemodeling.com/artifacts/stateMachineDiagram.htm
http://www.modelmakertools.com/modelmaker/screenshots/page3.html
http://www.ibm.com/developerworks/rational/library/content/RationalEdge/sep04/bell/http://www.agilemodeling.com/artifacts/stateMachineDiagram.htmhttp://www.modelmakertools.com/modelmaker/screenshots/page3.htmlhttp://www.ibm.com/developerworks/rational/library/content/RationalEdge/sep04/bell/http://www.agilemodeling.com/artifacts/stateMachineDiagram.htmhttp://www.modelmakertools.com/modelmaker/screenshots/page3.html