Java subtraction quiz 简单代码
时间: 2023-05-18 18:06:36 浏览: 88
以下是一个简单的 Java 减法测试代码:
import java.util.Scanner;
public class SubtractionQuiz {
public static void main(String[] args) {
int num1 = (int)(Math.random() * 10);
int num2 = (int)(Math.random() * 10);
if (num1 < num2) {
int temp = num1;
num1 = num2;
num2 = temp;
}
System.out.print("What is " + num1 + " - " + num2 + "? ");
Scanner input = new Scanner(System.in);
int answer = input.nextInt();
if (num1 - num2 == answer)
System.out.println("You are correct!");
else
System.out.println("Your answer is wrong.");
System.out.println(num1 + " - " + num2 + " should be " + (num1 - num2));
}
}
这个程序会随机生成两个 0 到 9 之间的整数,然后让用户输入它们的差。如果用户输入的答案正确,程序会输出 "You are correct!",否则会输出正确答案。