import java.util.*;//
public class Pulss {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
Random rd = new Random();
while (true) {
int a = rd.nextInt(100);// 100以内随机数
int b = rd.nextInt(100); System.out.print(a + "+" + b + "=" + ":");
int s = sc.nextInt();
// 从键盘输入答案a+b的结果
if (s == (a + b)) {
System.out.println("OK!");
} else {
System.out.println("NO a+b=" + (a + b));
}
}
}
}
[java code]
import java.util.*;//
public class Pulss {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
Random rd = new Random();
boolean flag=true;
while (flag) {
int a = rd.nextInt(100);// 100以内随机数
int b = rd.nextInt(100); System.out.print(a + "+" + b + "=" + ":");
String str=sc.next();
if(str.toLowerCase().equals("q")){ //如果输入q,退出循环
flag=false;
}
int s = Integer.parseInt(str);
// 从键盘输入答案a+b的结果
if (s == (a + b)) {
System.out.println("OK!");
} else {
System.out.println("NO a+b=" + (a + b));
}
}
}
}
[java code]
System.out.println("OK!");
break;
} else {
System.out.println("NO a+b=" + (a + b));
}
}
}
}
加个break即可退出循环。