Java Switch（String）

 package shb.java.test;
 /**
  * switch支持字符串
  * @Package:shb.java.test
  * @Description：
  * @author shaobn
  * @Date 2015-9-9上午8:55:41
  */
 public class test_3 {
     public static void main(String[] args) {
         System.out.println(testSwitchStr("jiangsu"));
         System.out.println(testSwitchInt(2));
         System.out.println(testSwitchChar('B'));
     }
     public static char testSwitchChar(char ch){
         switch (ch) {
         case 'A':
             return 'A';
         case 'B':
             return 'B';
         default:
             return 'R';
         }

     }
     public static int testSwitchInt(int num){
         switch (num) {
         case 1:
             return 1;
         case 2:
             return 2;
         default:
             return 0;
         }
     }
     public static String testSwitchStr(String str){
         switch (str) {
         case "beijing":
             return "hellobeijing";
         case "jiangsu":
             return "hellojiangsu";
         default:
             return "helloworld";
         }

     }
 }