【零基础 快速学Java】韩顺平 零基础30天学会Java

import java.util.Scanner;
public class demo2 {
    public static void main(String[] args){
        System.out.println("请输入一个起始值：");
        Scanner Scanner = new Scanner(System.in);
        int start = Scanner.nextInt();
        for(int i = 0;i <= start;i++){
           System.out.println(i+"+"+(start - i)+"="+(i+(start-i)));
        }
    }
}