Keywords/Reserved word in java Part . 7
Keywords/Reserved word in java
Keyword are the predefined word, It has some functionality (working) & its functionality (working) is register with jvm.
48 keyword Related to…………
1 – Datatypes/return types :-
byte,short,int,long,float,double,char,Boolean,void
2 – Access modifiers/security Related :-
private,public,protected,static,final,abstract,native,voatie,transient,synchronized,strictfp
3 – Flow controlling Related keywords :-
If,else,for,while,do,case,default,break,return,continue,switch,assert
4 – Class Related keywords :-
Class,extends,import,implements,interface,package,enum
5 – Object Related keywords :-
this,super,new,instanceof
6 – Exception handling related keywords :-
try,catch,throw,throws,finally
Reserved words is also predefined word but it does not have any valid functionality and its functionality is not register with jvm.
Ex. :- const,goto (used in C++)but not used in java.
In java instead of “const” word we can use final keyword.
In java instead of “goto” word we can use break,continue,return keyword.
Note :-
All the reserved word can’t be keywords.
Total Reserved word (53) but
Keywords ….50…. used keywords— 48—–unused keywords—-2(goto,const)
Reserved literals —– true,false,null These are not a keywords.
All keywords are in small letters.
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