3回答

• 

  鲜奶面包

  2018-12-11 20:06:34

  switch 后面小括号中表达式的值必须是整型或字符型

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• 

  鲜奶面包

  2018-12-11 20:05:57

  public class HelloWorld {
      public static void main(String[] args) {
    char today='日';
    switch(today){
         
          case '一':
              case '三':
                  case  '五':
                      System.out.println("早餐吃包子");break;
                      case '二':
                          case '四':
                              case '六':
                                  System.out.println("早餐吃油条");break;
                                  case '日':
                                      System.out.println("吃主席套餐");
                                      break;
                                      default :
                                      System.out.println("啥都不吃");
         

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• 

  慕斯8250619

  2018-11-26 17:26:53

  String Str="名次"

  switch(Str){
  

      case一：
  

          System.out.println("奖励为...");
  

          break;
  

      case二:
  

          System.out.println("奖励为...");
  

  }

      

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