文章标题

package com.bb;

public class Demo1 {

/**

* @param args

* Java的switch的运用

*/

public static void main(String[] args) {

int num=2;

switch(num){

case 1:

System.out.println(“111”);

break;

case 2:

System.out.println(“23”);

break;

case 5:

System.out.println(“344”);

break;

}

int i=22;

switch(i)

{ case 1:System.out.println(“you are the first!”);

case 2:System.out.println(“you are the second!”);

case 3:System.out.println(“you are the third!”); break;

default:System.out.println(“you are the last!”);

}

int a = 1;

switch (a) {

case 2:

System.out.println(“In case 2”);

break;

case 3:

System.out.println(“In case 3”);

break;

default:

System.out.println(“In default”);

break;

case 1:

System.out.println(“In case 1”);

break;

}

}

}