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";
        }
        
    }
}