/***author:kevin*date :2011-7-19*version 1.0*function:【班级选举系统】:输入 参加投票的人数 和 需要 选出人数,随机生产系统 选择人员编号*discussion:重复输出*//package com.day5;import java.util.Scanner;public class Demo {public static void main(String[] args) {Scanner s = new Scanner(System.in);try {int len = 0;System.out.println(“请输入参与者人数:”;len = s.nextInt();int[] arr = new int[len];for (int i = 0; i < len; i++) {int t = (int) (Math.random() * len);arr[i] = t;}System.out.println("请抽出人数:";int out = s.nextInt();System.out.print("抽出人员编号为:\n");for (int i = 0; i < out; i++) {System.out.print((arr[i] + 1) + " ");}} catch (Exception e) {e.printStackTrace();}finally{s.close();}}}