package cn.com.yitong.test;
import java.util.ArrayList;import java.util.Collections;import java.util.HashSet;import java.util.Iterator;import java.util.Random;import java.util.Scanner;import java.util.Set;
/* * 红球 1~33 篮球1-16 */public class Demo {
private static Set<Integer> set = new HashSet<Integer>(); private static ArrayList<Integer> list = new ArrayList<Integer>();//private static int[] arr = new int[6];//private static int[] arrL = new int[7]; private static int time = 0; private static Random random = null; private static int redBallMax=33; private static int blueBallMax=16; public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("请输入注数："); int number = sc.nextInt(); int count = 0; while (true) { count++; if (count > number) { break; } getRedBall(); getBlueBall(); getArr(); } }
/* * 从1-33个数字中随机取6个红球 */ public static void getRedBall() { random = new Random(); int redNum = 0; while (true) { redNum = set.size();
if (redNum >= 6) { break; } set.add(random.nextInt(redBallMax) + 1); // System.out.print(red+1+" "); } Iterator<Integer> iterator = set.iterator();// int s = 0; while (iterator.hasNext()) { int next = iterator.next(); list.add(next);// arr[s] = next;// s++; }// Arrays.sort(arr); Collections.sort(list); set.clear(); }
/* * 从1-16中取1个篮球 */ public static void getBlueBall() { random = new Random(); int count = 0; int blue = random.nextInt(blueBallMax) + 1;// arrL[6] = blue; list.add(blue); }
// System.out.print(blue+1+" "); /* * 取出数组 */ public static void getArr() { time++;// int j = 0;// for (int i = 0; i < arr.length; i++) {// arrL[j] = arr[i];// j++;// }// /**// * 遍历数组arrL// */ if (time > 1) { System.out.println(); }// for (int i = 0; i < arrL.length; i++) {// if (arrL[i] >= 10) {// System.out.print(arrL[i] + " ");// } else {// System.out.print("0" + arrL[i] + " ");// }// } /* Iterator<Integer> iterator = list.iterator(); while(true){ int next = iterator.next(); System.out.print(next+" "); }*/ for(int i =0;i<list.size();i++){ int next = list.get(i); if(next<10){ System.out.print("0"+next+" "); }else{ System.out.print(next+" "); } } list.clear(); }
}
运行结果：
请输入注数：1001 19 27 28 30 32 04 04 05 16 24 25 28 10 04 06 09 10 13 17 11 01 02 10 13 21 24 05 03 11 13 19 32 33 11 05 07 10 18 24 27 05 01 06 07 21 23 29 10 09 10 17 21 22 24 11 01 05 20 24 27 28 09
转载于:https://www.cnblogs.com/wpf-7/p/9646205.html
相关资源：Python脚本随机生成彩票