identifier in java

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Liam
20 Jul 2019
1Identifiers are names in java program. Identifiers can be class name, 
2method name or variable name.
3
4  Rules for defining identifiers in java:
51) Identifiers must start with letter, Underscore or dollar($) sign.
62) Identifiers cant start with numbers .
73) There is no limit on number of characters in identifier but not 
8recommended to have more than 15
9characters
104) Java identifiers are case sensitive.
115) First letter can be alphabet ,or underscore and dollar sign. 
12From second letter we can have numbers
136) We shouldnt use reserve words for identifiers in java.
Isabell
27 Sep 2017
1Identifiers in Java are symbolic names used for identification. They can be a class name, variable name, method name, package name, constant name, and more. However, In Java, There are some reserved words that can not be used as an identifier