Java Switch Statement

In Java, the switch statement is used for executing one statement from multiple conditions. it is similar to an if-else-if ladder.

Switch statement consists of conditional based cases and a default case.

In a switch statement, the expression can be of byte, short, char and int type.

From JDK-7, enum, String can also be used in switch cases.

Following are some of the rules while using the switch statement:

Syntax:

Following is the syntax to declare the switch case in Java.

switch(expression)

{

case value1:

//code for execution;

break; //optional

case value2:

// code for execution

break; //optional

......

Case value n:

// code for execution

break; //optional

default:

code for execution when none of the case is true;

}