/***author:kevin*date :2011-7-19*version 1.0*function:【班级选举系统】:输入 参与投票人数 和 需要 选出人数,系统随机生产 选出人员编号*discussion:存在重复输出情况*/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(); } }
}