switch的语法结构有问题
改成下面的
switch (number) {
case 1:
System.out.println("输入数字为1");
break;
case 2:
System.out.println("输入数字为2");
break;
default:
System.out.println("查询不到");
break;
}
public class HelloWorld {
public static void main(String[] args)
{ int number= 20;
if (number++% 2==1)
{System.out.println(number+"是奇数");}
else{System.out.println(number+"是偶数"); }
int numberA=150;
numberA /=2;
System.out.println(numberA);
int max = number>numberA ? number:numberA;
double A=75;
System.out.println(max);
System.out.println(numberA&number);
if (A>60){
System.out.println("奖励一朵小红花");}
else
{ System.out.println("下次努力争取100分!"); }
if (A<80&&A>60)
{double money =A/5;
System.out.println("本次奖励你"+money+"元");}
switch (number){
case 1 :
{System.out.println("输入数字为1");
break;}
case 2 :
{System.out.println("输入数字为2");
break;}
default :
{ System.out.println("查询不到");}
}
}
}