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Keywords in Java Or Reserved word
What is Keywords?
keywords are also Known as the Reserved words /Pre-define Keywords .In java Reserved keyword are used for some internal process or predefined action . In java Programming Language we can not used keyword as variable name or objects.If we do the same then java compiler throws an error.
List Of all Java Keywords
What is Keywords?
keywords are also Known as the Reserved words /Pre-define Keywords .In java Reserved keyword are used for some internal process or predefined action . In java Programming Language we can not used keyword as variable name or objects.If we do the same then java compiler throws an error.
List Of all Java Keywords
List of all java Keyword or Reserved Key word are given below
Predefined constants : True, false, null (3)
Brief Explanation of Keywords :
1) byte : To declare a variable that can hold 8-bit data values we use byte keywords .
2) short : To declare a variable that can hold 16-bit integer we use short keyword .
Total Java
keywords :-( 50)
Data Types - byte
,short, int, long, float ,double ,char ,Boolean (8)
Flow-Control:- if,
else, switch, case, default ,break, for ,while, do, continue (10)
method-level:- void, return (2)
Object-level:- new ,this ,super , instanceof (4)
source-file:
class ,extends ,interface, implements ,package, import (6)
Exception
handling:- try ,catch ,finally, throw ,throws (5)
1.5
version:- enum ,assert (2)
Modifiers:- public,
private ,protected ,abstract ,final ,static strictfp ,native ,transient, volatile
,synchronized (11)
unused:- goto ,const(2)
Keywords (50) + constants (3) = Reserved Words (53)
1) byte : To declare a variable that can hold 8-bit data values we use byte keywords .
2) short : To declare a variable that can hold 16-bit integer we use short keyword .
3) int : To declare a variable that can hold 32-bit signed integer we use int keyword .
4) long : To declare a variable that can hold 64- bit integer we use long keyword .
5) float : To declare a variable that can hold 32-bit floating point number we use float keyword.
6) double : To Declare a variable that can hold the 64- bit floating point Number we use double keywords .
7) char : To declare a variable that can hold the unsigned 16 bit unicode character we use char keywords.
8) boolean : To declare a variable as boolean we use the boolean keywords . boolean keywords hold only TRUE and FALSE Value.
8) boolean : To declare a variable as boolean we use the boolean keywords . boolean keywords hold only TRUE and FALSE Value.
9) if : To Test the a True / false expression and branches we use if keyword.
10) else : To indicate the alternative branches in an if statement we use else keyword .
11) switch : A statement that executes code based on a test value we use switch keyword .
12) case : Case keyword in java is used to mark block of text in switch statement .
13) default : To Specifies the default block of code in a switch statement we use default keyword .
14) break : To Break the loop or switch statement we use break keyword .
15) for : To start for loop we use for keyword .
16) while : To Start a while loop we use while keyword .
17) do : To start a do while loop we use do keyword .
18) continue : To continue a the loop we use continue keyword it sends control back outside loop.
19) void
20) return
21) new
22) this
23) super
24) instanceof
25) class
26) extends
27) interface
28) implements
29) package
30) import
31) try
32) catch
33) finally
34) throw
35) throws
36) enum ( 1.5 version)
37) assert ( 1.5 version)
38) public
39) private
40) protected
41) abstract
42) final
43) static
44) strictfp
45) native
46) transient
47) volatile
48) synchronized
49)True
50)false
51)null
49)True
50)false
51)null
52)goto
53)const
Reserved
words (53):- Keywords (50) + constants (3) = Reserved Words (53)
Hope !!! The above tutorial of Java keyword helpful For You ... Team
QA acharya
Tags: Java keyword , list of all java keyword , Keyword in java , Reserved keyword in java , List of all java keyword , java keyword list .
Hope !!! The above tutorial of Java keyword helpful For You ... Team
QA acharya
Tags: Java keyword , list of all java keyword , Keyword in java , Reserved keyword in java , List of all java keyword , java keyword list .
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Java Keyword and list of java keyword |
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