给出一值X,用Case判断其值:
X小于1
X等于1
X是2,3,4
X大于4
类似这段代码:
怎样写的这个case,才能有正确的输出?
-1 输出 X小于1
1 输出 X等于1
2 输出 X是2,3,4
5 输出 X大于4
:wink:
X小于1
X等于1
X是2,3,4
X大于4
类似这段代码:
public class siwtch
{
public static void main(String[] args)
{
int x = -2;
switch (x)
{
//case int x<1:
case 1:
System.out.println("x is less than 1");
break;
//case x==1:
case 2:
System.out.println("x is 1");
break;
//case x<=4:
case 3:
System.out.println("x is 2,3,4");
break;
case 4:
System.out.println("x is greater than 4");
break;
}
}
}
怎样写的这个case,才能有正确的输出?
-1 输出 X小于1
1 输出 X等于1
2 输出 X是2,3,4
5 输出 X大于4
:wink: