Variables

Local Variables

A variable that is declared within the method that is called local variables. It is defined in method or other statements, such as defined and used within the cache block, and outside the block or method, the variable cannot be used.

Instance Variables

A non-static variable that is declared within the class but not in the method is called instance variable. Instance variables are related to a specific object; they can access class variables.

Class/Static Variables

A variable that is declared with static keyword in a class but not in the method is called static or class variable.