【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;
    }
}