二柱子出题程序

import java.util.Scanner;
import java.util.ArrayList;
public class copy {
		
	public static int suiji(int min, int max)
	{
		int S;
		S = (int)(min+Math.random()*(max-min+1));
		return S;
	}
	public static int suiji()
	{
		int S;
		S = (int)(1+Math.random()*(999-1+1));
		return S;
	}
	public static int suijifuhao()
	{
		int S;
		S = (int)(1+Math.random()*(4-1+1));
		return S;
	}
	public static int suijifuhao1()
	{
		int S;
		S = (int)(1+Math.random()*(2-1+1));
		return S;
	}
		
	public static boolean chachong(ArrayList<String> S,String T)
	{
		String temp;
		for(int i = 0;i < S.size();i++)
		{
			temp = S.get(i);
			if(temp.equals(T))
			{
				return false;
			}
		}
		return true;
	}
		
	public static String chutishu(int min,int max)//输出运算数
	{
		int temp = 0;
		temp = suiji(min, max);
		String T;
		T = String.valueOf(temp);
		return T;
	}
		
	public static String chutifuhao(int l) //输出运算符
	{
		int temp = 0; //符号判别变量
		String T;
		if(l == 1)
		{
			temp = suijifuhao();
		}
		else
		{
			temp = suijifuhao1();
		}
		switch (temp)
		{
		case 1:
			{
				T = String.valueOf("+");
				break;
			}	
		case 2:
			{
				T = String.valueOf("-");
				break;
			}
		case 3:
			{
				T = String.valueOf("*");
				break;
			}
		case 4:
			{
				T = String.valueOf("/");
				break;
			}
		default:T = null;
		}
		return T;
	}
			
	public static void main(String[] args)
	{
		ArrayList<String> S = new ArrayList<>();
		Scanner sc = new Scanner(System.in);
		String T1;
		String T = null;
		int a, b;
		a = 1;
		b = 1;
		int temp = 0;
		int number = 0;
		System.out.println("请输入您要定制的个数");
		number = sc.nextInt();
		System.out.println("请输入需要几个数运算");
		int n = 0;
		n = sc.nextInt();
		System.out.println("是否有乘除运算，有输入1，无输入0");
		int l = 0;
		l = sc.nextInt();
		System.out.println("请输入随机数据的范围 最小值 最大值");
		int min = 0;
		int max = 0;
		min = sc.nextInt();
		max = sc.nextInt();
		int p = 0;  //随即括号
		int j = 0;	//括号计数器
		int p1 = 0;  //随即括号
		for(int i = 1;i <= number;i++)
		{
			p = suiji();
			p1 = suiji();
			j = 0;
			T = " ";
			for(int m = 1; m <= n+n-1; m++)
			{
				
				if(!(m%2==0))
				{
					T = T + chutishu(min,max);
				}
				else
				{
					T = T + chutifuhao(l);
				}
				if(p % 2==0 && p % 3 == 0 && m % 2 ==0 )
				{
					T1 = String.valueOf("(");
					T = T + T1;
					j++;
					continue;
				}
				if(p1 % 2==0 && p1 % 3 == 0 && m % 2 ==0 && j > 0)
				{
					T1 = String.valueOf(")");
					T = T + T1;
					j--;
				}
			}
		while(!(j==0))
		{
			T1 = String.valueOf(")");
			T = T + T1;
			j--;
		}
		T1 = String.valueOf("=");
		T = T + T1;
		if(chachong(S, T))
		{
			S.add(T);
		}
	}
		for(int s = 0;s < S.size();s++)
		{
			System.out.println(S.get(s));
		}
	}

}

实现功能

1、可定制（数量）：输入大的出题数量值；

2、定制操作数的个数；

3、定制是否有乘除法；

4、定制是否有括号（随机加入）

5 、定制数值范围（确定操作数的取值范围）