Program for Switch case example.

03 Java Operators.
Program for Switch case example:

//SwitchDemo.java
class SwitchDemo
   {
static void m1(int a)
{
System.out.println("before switch");

switch(a)
{
case 1:
System.out.println("in case1 start");
System.out.println("in switch");
System.out.println("in switch");
System.out.println("in case 1 end");

case 2:
System.out.println("in case 2 start");
System.out.println("in switch");
System.out.println("in switch");
System.out.println("in case 2 end");
break;

case 3:
System.out.println("in case 3 start");
System.out.println("in switch");
System.out.println("in switch");
System.out.println("in case 3 end");
break;

                        default :
System.out.println("in default start");
System.out.println("in switch");
System.out.println("in switch");
System.out.println("in default end");
}

System.out.println("after switch");
}
public static void main(String[] args)
{
//m1(1);
/*
there is no break in case 1: hence case 1: and case 2: both will be executed

before switch
in case1 start
in switch
in switch
in case 1 end
in case 2 start
in switch
in switch
in case 2 end
after switch
*/

//m1(2);
/*
before switch
in case 2 start
in switch
in switch
in case 2 end
after switch
*/
m1(20);
m1(30);
/*
before switch
in default start
in switch
in switch
in default end
after switch
*/
}
}

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