Variable Declaration in java
Syntax:
Variable_name = value ;
Rules to declare a Variable
1. Every variable name should start with either alphabets or underscore ( _ ) or dollar ( $ ) symbol.
2. No space are allowed in the variable declarations.
3. Except underscore ( _ ) no special symbol are allowed in the middle of variable declaration
4. Variable name always should exist in the left hand side of assignment operators.
5. Maximum length of variable is 64 characters.
6. No keywords should access variable name.