结队开发-四则运算

package team1;

import java.lang.Math;
import java.util.Random;
import java.util.Scanner;
public class Check {
 public static int a=new Random().nextInt(100);
 public static int b[][]=new int[100][2];
 public static int c[]=new int[100];
 static Scanner d=null;
    public static void main(String[] args) {
     int oneNum = (int)(1 + Math.random()*99);
        int twoNum = 1 + (int)(Math.random()*99);
        int thrNum = 1 + (int)(Math.random()*4);
        d =new Scanner(System.in);
        System.out.println("请输入题目总数量：");
        int n=d.nextInt();
        System.out.println("请输入一行的题目数量：");
        
     for(int i = 1;i <=n;i++)
        {
   b[i][0]=oneNum;
      b[i][1]=thrNum;
      c[i]=twoNum;
      for(int j=0;j<i;j++)
      {
       if(b[j][0]==oneNum&&b[j][1]==thrNum&&c[j]==twoNum)
       {
        a=new Random().nextInt(100);
       }
      }
      System.out.println(i);
            if(thrNum == 1)
            {
                System.out.println(oneNum + "+" + twoNum + "=");
            }
            if(thrNum == 2)
            {
             if(oneNum>=twoNum)
                {System.out.println(oneNum + "-" + twoNum + "=");}
             else
             {
              int T;
              T=twoNum;
              twoNum=oneNum;
              oneNum=T;
              System.out.println(oneNum + "-" + twoNum + "=");
             }
            }
            if(thrNum == 3)
            {
             int A=oneNum *twoNum;
             if(A>100)
             { a=new Random().nextInt(100);
                System.out.println(oneNum + "*" + twoNum +"=");
             }
             else 
              System.out.println(oneNum + "*" + twoNum +"=");
            }
            if(thrNum == 4)
            {
             int B=oneNum%twoNum;
             if(B!=0&&twoNum==0)
             {
              a=new Random().nextInt(100);
               System.out.println(oneNum + "/" + twoNum + "=");
             }
             else{
               if(twoNum != 0)
                     {
                         System.out.println(oneNum + "/" + twoNum  + "=");
                     }
                     else if(oneNum != 0)
                     {
                         System.out.println(oneNum + "/" + twoNum + "=");
                     }
                     else
                     {
                         System.out.println(30 + "/" + 15 + "=?");
                     }
             }
               
            }
        }
    }
}