microsoft tech club cairo university "mstc'16 builders and developers " third session
TRANSCRIPT
Introduction to C#
Session #3
Prepared and Presented byAya Zakaria Wagdy Mohamed
Microsoft
Agenda
• Arrays
• Functions
• Introduction to OOP
Arrays
Arrays
1D/2D
Static Dynamic
Static Array
Dynamic Array
1D and 2D array
int [ ] 1D= new int [4];
int [ , ] 2D= new int [3,3];
4 3 2 1
0 1 2 3
3 2 1
6 5 4
9 8 7
0
1
2
0 1 2
Elements
Index
Task Code
Functions
• Header
• Body
Function Header
• Access specifier
• Return type
• Function name
• Parameters
Access specifier
• This determines the visibility of a variable or a function from another class.
Public Private
Return type
• A function may return a value. The return type is the data type of the value the function returns. If the function is not returning any values, then the return type is void.
Function name
• Function name is a unique identifier and it is case sensitive. It cannot be same as any other identifier declared in the class.
Parameters
• Parameters are used to pass and receive data from a method
Function body
Introduction to OOP
• Class
• Object
• Setters and Getters
• Constructors
Class
Class: is a set of instructions to build a specific type of data
Object
Object: is keyword or component that contains properties and functions of class
Setters and Getters
Constructor
• Constructors: technique helps you to assign initial value to an object at the time of its creation and there are two types of constructors.
Default Constructor
• Default constructor: does not have any parameter
Implementation
Calling in main
Parameterized Constructor
Implementation
Calling in main
• Parameterized constructor: have parameters
Creating Class Car
Creating object from class Car
