01 java.pptx

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JAVAProgramming

Sri Krishna I-Tech andManagement Solutions Pvt Ltd

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TIOBE Index for May 2015

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Java Certification

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Java Certification

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OCP Java S! Certification Code

1Z0-851

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Java Contents

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Java Course Modules

"#$undamentals of the %ava Programming Language& Java S

!

'#Java Programming Language& Java S !

(#)e* Com+onent ,evelo+ment ith Servlets . JSPs& Java

!

/#,evelo+ing A++lication for the Java ! Platform

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JAVA

1. Fundamentals of the java Programming

Language, Java SE 6

2. Java Programming Language, Java SE 6

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JAVA Certifications

1. Fundamentals of the java Programming Language, Java SE 6

2. Java Programming Language, Java SE 6

OCA Java SE 6 ro!ra""er

OC Java SE 6 ro!ra""er

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Fundamentals of the java Programming

Language, Java SE 6

"# 0+laining %ava technolog1#

'# Anal12ing a +ro*lem and designing a solution#

(# ,evelo+ing and testing the %ava technolog1

+rogram#

/# ,eclaring& initiali2ing& and using varia*les#

3# Creating and using o*%ects#

!# 4sing o+erations and decision constructs#

5# 4sing loo+ constructs#

6# ,evelo+ing and using methods#

7# Im+lementing enca+sulations and constructors#

"8# Creating and using arra1s#

""# Im+lementing inheritance#

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Java Programming Language, Java SE 6

"# O*%ects-oriented +rogramming#

'# Identifiers& 9e1ords& and t1+es#

(# 0+ressions and flo control#

/# Arra1s& class design& advanced class features#

3# 0ce+tions and assertions#

!# Collections and generics frameor9#

5# I:O fundamentals& console I:O and file I:O#

6# ;uilding %ava

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Java Contents Java +rogramming *asics#

Value t1+e and ?eference t1+e#

Methods and its related conce+ts#

Constructor and its related conce+ts#

Inheritance and its t1+es#

A*stract class and Interface conce+ts#

Inner classes#

0ce+tion =andling#

Multithreading#

)ra++er classes and String o+erations#

Collections $rameor9#

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Console A:P @e#g# Sho+ *illing

)indos A:P @e#g# MS-ord& 0cel )e* A:P @e#g#

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ro!ra""#n! Bas#$s

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int a "88D

char * ESFD

float c '8#/fD

int G0 .aD

char G1 .*Dfloat G2 .cD

Pointers

?eferenceT1+e

Value T1+e

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Class

O*%ect

O*%ect Oriented Programming

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Source code

(.java)

%atfor" Inde&enden$e

Byte code

(.class)

JDK

JVM

Class load

Object creation

J'E

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Class and O*%ects

Object

Object

Object

C(ASS

B%)e &r#nt

*o)se

*o)se

*o)se

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C%ass

class Student

H

int idD void dis+la1@

H

contidD

;lue Print

Student@H

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C%ass

class Student

H

int idD Student@

H

Invo9ing Constructor

Creating O*%ect

Student

o*1

2

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int G0D

Student Go*D

Pointers

Reference Type

Reference Type

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Student o*D

O*%ect Creation

O*%ect creation

ne Student@

O*%ect creation

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Student o*D

Student G+tr ne Student@D

Pointers

?eference T1+e

Value T1+e

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Student

Go*"D

C

Studento*'D C O*%ect

Creation

C?eferenceCreation

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Student

Go*"D

JAVA

Student

o*'DJava?eferenceCreation

C O*%ectCreation

C?eferenceCreation

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Student o*D

C

O*%ect creation

ne Student@

O*%ect creation

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Student o*D

Java

?eference

ne Student@

O*%ectcreation

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Student o* = ne Student@;

?eference

O*%ect

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Student o* ne

Student@D

O*%ect Creation in Java

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O+,e$t

class Student

H

int idD Student@

H

Student o* ne Student@D

Instance (or) Object

Student ob = new Student();

ob.id=200;

ob.display();

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C%ass

class Student

H

int idD void dis+la1@

H

coutidD

Varia*les andMethods

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Instance varia*le and Instance methods @non-static#

Class varia*le and Class methods @static#

Local varia*le#

Ty&es of ar#a+%es and Met.ods

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class ,emo

H

static int aD

int *D

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Source code

(.java)

%atfor" Inde&enden$e

Byte code

(.class)

JDK

JVM

Class load

Object creation

J'E

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class ,emo

H

static int aD

int *D

/e"oa 5000

,emo o*%ne,emo@D

o*%#*"888D

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class ,emo

H

int aD

void sum@

H

coutaD

Instan$e var#a+%e and "et.od

,emo o"ne ,emo@D

o"#a"888D

o"#sum@D

,emo o'ne ,emo@D

o'#a(888D

o'#sum@D

o" o'

a a

Demo

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class ,emo

H

static int aD

static void sum@

H

coutaD

Class varia*le and method

/e"oa 5000

/e"os)"34

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java.lang.*;

Java a$a!es

Object

System

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S1stem#out#+rintln@)elcomeD

r#nt#n! State"ent

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class System

{

static int x;static int y;

}

Syste" C%ass

System.x=100; System.y=100;

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PrintStream out=new PrintStream();

Syste" C%ass

O+,e$t of r#ntStrea" $%ass

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class System

{ static PrintStream out=newPrintStream();

}

Syste" C%ass

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class PrintStream

{

void println(int); void println(String);

}

r#ntStrea" C%ass

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S1stem#out

A&&%#$at#on

C%ass ar#a+%e 3stat#$4

O+,e$t of r#ntStrea"C%ass

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A&&%#$at#on

C%ass ar#a+%e 3stat#$4

O+,e$t of r#ntStrea"C%ass

Met.od

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class Demo

{

}

A&&%#$at#on

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class Demo extends !ject

{

}

,efault *ase class

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import java.lang.*;

class Demo extends !ject

{Demo()

{

}

}

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O*%ect Creation

class "{

}class # extends"

{

}

"

ne A@D

" #

ne ;@D

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?eference

class "{

}class # extends"

{

}

A o*"D

; o*'D

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?eference

class "{

}class # extends"

{

}

"

A o*"D

" #

; o*'D

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Inheritance

class "{

}class # extends"

{

}

" " #A o" ne ;@D

" # "#; o' ne ;@D

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Inheritance

class AHclass ; e0tends A

H

A s" ne ;@D

; s' @;s"D

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Inheritance

A s" ne ;@D

; s' @;s"D

&-$ast#n!

/o7n$ast#n!-$ast#n!

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" class $eferencemay containsame%class !ject

or su*%class !ject

A r" ne A@D

A r' ne ;@D

" class O*%ectmay !e &ndersame%class re'erence or *ase%class

re'erence

A r" ne ;@D

; r' ne ;@D

A r" ne ;@D

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A r" neA@D

A r' ne;@D

A r" ne ;@D

; r' ne ;@D

B $%ass O+,e$t#s stored )nder t.e 'eferen$eof $%ass B

B $%ass O+,e$t#s stored )nder t.e 'eferen$eof $%ass A

A$%ass 'eferen$e#s .o%d#n! O+,e$tof $%ass A

A$%ass 'eferen$e#s .o%d#n! O+,e$tof $%ass A

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Inheritance

class AH

class ;Hclass CH

ne A@D

ne ;@D

ne C@D

O A

O B

O C

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Inheritance

class AH

class ;Hclass CH

O*%ect o"neA@D

O*%ect o'ne;@D

O* ect o(ne

O A

O B

O C

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Inheritance

class AH

class ;Hclass CH

O*%ect s" neA@D

A s' @As"D

O A

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Inheritance

class AH

O*%ect s" neA@D

A s' @As"D

&-$ast#n!

/o7n$ast#n!-$ast#n!

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Methods overloading

If a class have multiple methods by same name

but diffeent paametes! it is "no#n as

Met.od Over%oad#n!$

In$reases t.e reada+#%#ty of t.e &ro!ra"$

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Methods overloading

%hee ae t#o #ays to oveload the method in java

&$By chan'in' numbe of a'uments

($By chan'in' the data type

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class ,emoH

void add@

H

void add@int 0

H

void add@int 0&int 1

H

Methods overloading

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class ,emoH int 0D void add@ H

S1stem#out#+rintln@=aiD void add@int 1 H this#01D S1stem#out#+rintln@N 0D

Methods overloading

Demo o1=newDemo();

o1.add();

o1.add(5);

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void calculation@D

void calculation@H int a'88D

int */88D S1stem#out#+rintln@a*D

Methods

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void calculation@D


int */88D S#o#+@a*D

Methods

Method ,eclaration

Method ,efinition

Method ,eclaration

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void calculation@D



Methods

A*stract Method

Concrete Method

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class AH void add@ H S1stem#out#+rintln@=aiD class ; e0tends AH

Method Overriding

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class AH

void add@

H

S1stem#out#+rintln@=aiD

class ; e0tends AH

void add@

H S1stem#out#+rintln@)elcomeD

Method Overriding

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class AH void add@Dclass ; e0tends AH

Method Overriding

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class AH void add@Dclass ; e0tends A

Hvoid add@

H


Method Overriding

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class AH

int 0D

A@

H

A@int 1

H

this#01D

Constructor

! o1=new !();

! o"=new !(#);

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Single

&ltilevel

ierarcal

&ltiple

y!rid

Inheritance

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Inheritance

A

B

A

B

A B

C

C

A

B C

Multi+le Inheritance

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!

C

B

add)*+ add)*+

add)*

,

-

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void calculation@D



Methods

h d

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a*stract void calculation@D

Methods

A* Cl

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a!stract class +ar

{

a!stract void door(); a!stract void glass();

}

A*stract Class

A* Cl

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a!stract class +ar{

a!stract void door();

a!stract void glass();

void weel()

{

System.o&t.println(,-eel);

}}

A*stract Class

A* t t Cl

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A*stract Class

;en2 Audi ;M)

CA?

A* t t Cl

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A*stract Class

;en2 Audi ;M)

CA? void door@Dvoidglass@D

A* t t Cl

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A*stract Class

;en2 Audi ;M)


void door@D

void glass@D

void door@D

void glass@D

void door@D

void glass@D

A* t t Cl

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class Lancer e0tends CarH

void door@

H

S1stem#out#+rintln@Lancer doorD

void glass@

H

S1stem#out#+rintln@Lancer glassD

A*stract Class

A* t t Cl I t f

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A*stract Class

+ontains a!stract

and concrete metods.

A*stract Class vs Interface

Interface

+ontains only

a!stract metods.

I t f

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Interface

;en2 Audi ;M)


void door@D

void glass@D

void door@D

void glass@D

void door@D

void glass@D

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I t f

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inter'ace +ar{

p&!lic a!stract void door();

p&!lic a!stract void glass();}

Interface

,efault

Interface

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class Lancer im+lements CarH

+u*lic void door@

H

S1stem#out#+rintln@Lancer doorD

+u*lic void glass@

H

S1stem#out#+rintln@Lancer glassD

Interface


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!

C

B

add)*+ add)*+

add)*

,

-

O*%ect Creation

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O*%ect Creation

inter'ace Mail{

void register();

void

validation();

}

a!stract class Car{

void door();

void glass();

}

ne7 Ma#%34

ne7 Car34

O*%ect Creation

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O*%ect Creation

inter'ace Mail{

void register();

void

validation();

}

a!stract class Car{

void door();

void glass();

}

ne7 a.oo34

ne7 Ben934

O*%ect Creation

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O*%ect Creation

Ma#% o+1 ne7 Ma#%34

Car $1 ne7 Car34

O*%ect Creation

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O*%ect Creation

Ma#% o+1 ne7 a.oo34

Car $1 ne7 Ben934

Inner Classes

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Inner Classes

class AH

Inner Classes

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Inner Classes

class AH

class ;H

Inner Classes

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Inner Classes

"# >on-Static inner class

'# Static inner class

(# Anon1mous inner class

/# Method Local inner class

>on-Static

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>on-Static

class AH

class ;H

Static

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Static

class AH

staticclass ;H

Annon1mous Inner Class

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Annon1mous Inner Class

class AH

H

Method Local Inner Class

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class AH

void test@

Hclass TestH

01 java.pptx

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