Java 随机产生数字计算加减乘法

最新推荐文章于 2023-05-07 17:29:37 发布

Tony.j

最新推荐文章于 2023-05-07 17:29:37 发布

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分类专栏： java

本文链接：https://blog.youkuaiyun.com/weixin_44119517/article/details/99222392

本文介绍如何在Java中生成随机数字并进行加、减、乘法运算。通过示例代码详细讲解了如何使用Java的Math库来创建随机数，并进行基本的算术操作，帮助理解Java编程中的随机数生成和数学运算。

package java_1;

import java.util.Scanner;

public class Hello{
	
	public static void main(String[] args) {
		Scanner input = new Scanner (System.in);
		int number1 = (int)(Math.random()*10);  //Generate random integers
		int number2 = (int)(Math.random()*10);
		int flag = (int)(Math.random()*4);
		
		try {
			if(flag==0)  //add
			{
				System.out.print(number1 + " + " + number2 + " = ");
				int answer1 = input.nextInt();
				if(answer1!=(number1+number2))
					System.out.print(number1+" + "+number2+" = " +(number1+number2) 
							+" , Your answer is false");
				else System.out.print("Your answer is ture");
			}
			else if(flag==1) //subtract
			{
				System.out.print(number1 + " - " + number2 + " = ");
				int answer1 = input.nextInt();
				if(answer1!=(number1-number2))
					System.out.print(number1+" - "+number2+" = " +(number1-number2) 
							+" , Your answer is false");
				else System.out.print("Your answer is ture");
			}
			else