import java.util.Random;
public class Example0306
{public static void main(String [] args)
{Random random=new Random();
float x=random.nextFloat();
System.out.println("x="+x);
int score=Math.round(50*x+50);
System.out.println("your test score was =" +score);
switch(score)
{
case 100:
System.out.println("You are Robben");
case 90:
System.out.println("you have got 90");
case 80:
System.out.println("80");
case 70:
System.out.println("70");
case 60:
System.out.println("60");
case 50:
System.out.println("50");
}
}
}
程序只会打印出Switch语句之前的部分,难道是Switch语句错了?
public class Example0306
{public static void main(String [] args)
{Random random=new Random();
float x=random.nextFloat();
System.out.println("x="+x);
int score=Math.round(50*x+50);
System.out.println("your test score was =" +score);
switch(score)
{
case 100:
System.out.println("You are Robben");
case 90:
System.out.println("you have got 90");
case 80:
System.out.println("80");
case 70:
System.out.println("70");
case 60:
System.out.println("60");
case 50:
System.out.println("50");
}
}
}
程序只会打印出Switch语句之前的部分,难道是Switch语句错了?
所以没执行打印出相应的语句
另外你的switch没有用break,似乎不是个好习惯
public class Example0306 {
public static void main(String [] args) {
Random random=new Random();
float x=random.nextFloat();
System.out.println("x="+x);
int score=Math.round(50*x+50);
System.out.println("your test score was =" +score);
switch(score) {
case 100:
System.out.println("You are Robben");
break;
case 90:
case 91:
case 92:
case 93:
case 94:
case 95:
case 96:
case 97:
case 98:
case 99:
System.out.println("you have got 90");
break;
case 89:
case 88:
case 87:
case 86:
case 85:
case 84:
case 83:
case 82:
case 81:
case 80:
System.out.println("80");
break;
}
}
}
我猜是这个意思