Java实现简单双色球摇奖功能过程解析

package Javaee;import java.util.Arrays;import java.util.Random;public class DoubleChromosphere {	public static void main(String[] args) {		//定义红球池		int[] redpool = new int[33];		//添加红球数字		for (int i = 0; i < redpool.length; i++) {			redpool[i] = i + 1;		}		//定义篮球池		int[] bluepool=new int[16];		for (int j = 0; j < bluepool.length; j++) {			bluepool[j] = j + 1;		}		//定义被选中的红球		int[] redballs =new int[6];		int x;		A: for (int i = 0; i < redballs.length; i++) {			x = new Random().nextint(33);			for (int j = 0; j <= i; j++) {				//去重过程				//判断当前循环取出的红球是否跟前几次取出的一样				//如果一样 大循环A向后退一次，重新取出红球				if (redballs[j] == redpool[x]) {					i--;					continue A;				}			}			//如果不一样，则把取出的红球池中取出的红球放入红球数组中			redballs[i] = redpool[x];		}		//取出篮球		int a = bluepool[new Random().nextint(16)];		//利用冒泡排序对红球进行排序		int temp;		for (int i = 0; i < redballs.length-1; i++) {			for (int j = 0; j < redballs.length-i-1; j++) {				if (redballs[j]>redballs[j+1]) {					temp=redballs[j+1];					redballs[j+1]=redballs[j];					redballs[j]=temp;				}			}		}		System.out.println("红球为：" + Arrays.toString(redballs));		System.out.println("蓝球为：" +a);	}}