Java實現(xiàn)簡單雙色球搖獎功能過程解析

package Javaee;
import java.util.Arrays;
import java.util.Random;
public class DoubleChromosphere {
	public static void main(String[] args) {
		//定義紅球池
		int[] redpool = new int[33];
		//添加紅球數(shù)字
		for (int i = 0; i < redpool.length; i++) {
			redpool[i] = i + 1;
		}
		//定義籃球池
		int[] bluepool=new int[16];
		for (int j = 0; j < bluepool.length; j++) {
			bluepool[j] = j + 1;
		}
		//定義被選中的紅球
		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++) {
				//去重過程
				//判斷當前循環(huán)取出的紅球是否跟前幾次取出的一樣
				//如果一樣 大循環(huán)A向后退一次，重新取出紅球
				if (redballs[j] == redpool[x]) {
					i--;
					continue A;
				}
			}
			//如果不一樣，則把取出的紅球池中取出的紅球放入紅球數(shù)組中
			redballs[i] = redpool[x];
		}
		//取出籃球
		int a = bluepool[new Random().nextint(16)];
		//利用冒泡排序對紅球進行排序
		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("紅球為：" + Arrays.toString(redballs));
		System.out.println("藍球為：" +a);
	}
}