【java】彩票中奖码生成器：java.util.Random里的方法public int nextInt(int bound)

 package 彩票中奖码生成器;

 import java.util.Random;

 public class TestRandom {
     public static void main(String[] args) {
         Random random=new Random();
         int[] numbers=new int[6];
         int index=0;
         while(index<numbers.length){
             int num=random.nextInt(50);
             if(!isContains(numbers,num))
                 numbers[index++]=num;
         }
         java.util.Arrays.sort(numbers);
         for(int i:numbers){
             System.out.print(i+",");
         }
     }
     public static boolean isContains(int[] tmp,int num){
         if(num==0)
             return true;
         for(int i=0;i<tmp.length;i++){
             if(tmp[i]==num)
                 return true;
         }
         return false;
     }
 }