Java variable types

Java is divided into three systems:

JavaSE (J2SE) (Java2 Platform Standard Edition, java platform standard edition)

JavaEE (J2EE) (Java 2 Platform, Enterprise Edition) , java platform Enterprise Edition)

JavaME (J2ME) (Java 2 Platform Micro Edition, java platform micro edition).

Java variable types syntax

In the Java language, all variables must be declared before use.

Java variable types example

public class Variable{ static int allClicks=0; // class variable String str="hello world"; // Instance variables Public void method(){ Int i = 0; // Local variables }}