java programming tutorials in hindi: keywords in java programming - boolean,byte,if, else,interface,abstract class,public,private,protected hindi me jane
what is keyword in java programming language
keywords
वे tokens होते है जिनका java program में एक special meaning होता है और ये
programmer के द्वारा variable और method के नाम के लिए उपयोग नही किये जा सकते है
.
इनकी
संख्या java में fix होती है
what is keywords in c/c++ hindi में जाने
java
1.1 – 50
java
1.2 – 51
java
1.4 -52
java
1.5 -54
keywords used in java 1.1
boolean :– declare a Boolean
variable or return type
|
Byte
:- declare a byte variable or return type
|
Char
:-declare a character variable or return type
|
Double
:- declare a double variable or return type
|
Float
:- declare a floating point variable or return type
|
Short
:- declare a short integer variable or return type
|
Void
:-declare that a method does not return a value
|
Int
:- declares an integer variable or return type
|
Long
:- declares a long integer variable or return type
|
While
:- begins a while loop
|
For
:- begins a for loop
|
Do
:- begins a do while loop
|
Switch
:- tests for the truth of various possible cases
|
Break
:- prematurely exits a loop
|
Continue
:- prematurely retunt to the begging of a loop
|
Case
:- one case in a switch statement
|
Default
:- default action for a switch statement
|
If
:-execute statement if the condition is true
|
Else
:-single the code to be executed if an if statement is not true
|
Try:-
attempt an operation that may throw an exception
|
Catch
:- handle an exception
|
Class
:- singles the beginning of a class definition
|
Finally
:- declares a block of code guaranteed to be executed
|
Abstract
:-declares that a class or method is abstract
|
Extends
:-specifies the class which this class is a subclass of
|
Final
:-declare that a class may not be subclassed or that a field or method may
not be overridden
|
Implements
:- declare that this class implements the given interface
|
Import
:- permit access to a class or group of classes in a package
|
Instanceof
:- tests whether an object is an instanceof a class
|
Interface
:- signals the beginning of an interface define
|
Native
:- declare that a method is implemented in native code
|
New
:- allocates a new object
|
Package
:- defines the package in which this source code file belongs
|
Private
:- declares a method or member variable to be private
|
Protected:
-declares a class , method or member variable to be protected
|
Public:
:- declares a class , method or member variable to be public
|
Return
:- return a value from a method
|
Static
:-declares that a field or method belongs to a class rather than an object
|
Super
:- a reference to the parent of the current object
|
Synchronized
:- includes that a section of code is not thread – safe
|
This
:- a reference to the current object
|
Throw
:- throw an exception
|
Throws
:-declares the exception thrown by a method
|
Transient
:- this field should not be serialized
|
Volatile
:- warns the compiler that a variable change asynchronously.
|
ये
सभी keyword पहले से ही defined है इनके नाम से कोई variable या फिर किसी function का नाम नही रख
सकते है
thanks
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