20160104作业练习

        //用if条件语句比较大小
        int x = 89;
        int y = 72;
        if (x>y){
            System.out.println("较大的数是："+x);
    
        }
        else if (x==y)
        {
            System.out.println("俩数相等："+x);

        }
        else {
            System.out.println("较大的数是："+y);

        }
        

 

//用if条件语句判断奇偶
        int x = 9345;
        if(x%2 ==0)
        {
            System.out.println("x ="+x+",是偶数");

        }
        else
        {
            System.out.println("x = "+x+",是奇数");

        }

 

//用if条件语句根据输入的年龄 输出提示语        
          int age = 125;
          if (age<10){
              System.out.println("黄发垂髫");
          }
          else if (age<20){
              System.out.println("弱冠之前");

          }
          else if (age<40){
              System.out.println("未及不惑");

          }
          else if (age<80){
              System.out.println("耄耋还迟");

          }
          else if (age<130){
              System.out.println("大约是乐期颐");

          }
          else {
              System.out.println("妖怪哪里逃！");

          }

 

 //用switch多分支语句查询星期                      
        int week = 5;
        switch(week)
        {
        case 1:
            System.out.println("星期一");
        break;
        case 2:
            System.out.println("星期二");
        break;
        case 3:
            System.out.println("星期三");
        break;    
        case 4:
            System.out.println("星期四");
        break;
        case 5:
            System.out.println("星期五");
        break;
        case 6:
            System.out.println("星期六");
        break;
        case 7:
            System.out.println("星期天");
        default:
            System.out.println("都不匹配");
            
             
        }