二柱子

package kaoshi;

import java.util.Random;
import java.util.Scanner;

public class erzhuzigan {
    public static void main(String[] args) {
        zuoYe();
    }

    public static void shuZi() {
        Random random=new Random();
        int a=random.nextInt(100)+1;
        System.out.print(a);
    }

    public static void fuHao() {
        Random random=new Random();
        int a=random.nextInt(4);
        if(a==0){
            System.out.print("+");
        }
        if(a==1){
            System.out.print("-");
        }
        if(a==2){
            System.out.print("*");
        }
        if(a==3){
            System.out.print("/");
        }
    }

    public static void zuoYe() {
        Scanner sc=new Scanner(System.in);
        Random random=new Random();
        System.out.println("请输入操作数：");
        int b=sc.nextInt();
        System.out.println("请输入题目个数:");
        int a=sc.nextInt();
        for(int i=0;i<a;i++){
            int c=random.nextInt(5);
            if(c!=0) {
                shuZi();
                for (int j = 0; j < b - 1; j++) {
                    if (j < b - 2) {
                        int d=random.nextInt(5);
                        if (d == 1) {
                            fuHao();
                            System.out.print("（");
                            shuZi();
                            fuHao();
                            shuZi();
                            System.out.print("）");
                            j++;
                        } 
                        else {
                            fuHao();
                            shuZi();
                        }
                    } 
                    else {
                        fuHao();
                        shuZi();
                    }
                }
            }
            else{
                System.out.print("（");
                shuZi();
                fuHao();
                shuZi();
                System.out.print("）");
                for (int j = 1; j < b - 1; j++) {
                    if (j < b - 2) {
                        int d=random.nextInt(5);
                        if (d == 1) {
                            fuHao();
                            System.out.print("（");
                            shuZi();
                            fuHao();
                            shuZi();
                            System.out.print("）");
                            j++;
                        }
                        else {
                            fuHao();
                            shuZi();
                        }
                    }
                    else {
                        fuHao();
                        shuZi();
                    }
                }
            }
            System.out.println("=");
        }
    }
}
用了比较笨的方法，但是总体思路还算是比较清晰的，明天把二柱子和论文两个加上注释，读者们就更方便理解了。

标签：柱子,int,System,fuHao,shuZi,print,out
来源： https://www.cnblogs.com/zhiqi2625/p/15321925.html