VIPJAVA/git-demo/com/sf/TestStudent.java

package com.sf;

import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;


public class TestStudent {


    public static void main(String[] args) {

        String str = "赵玉龙、闵圣楠、刘哲、李龚臻、张嫁祥、尹星博、李宏源、牛文睿、王佳强、胡春宇、郭柯雨、唐振亮、王鸿明、芦博智、张文瀚、张甫鑫、张宇璇、李小龙、王毅、孙智凡、孙超、殷碧泉、李斯扬、赵佳硕、杨晨、康雯博、孙辉、李天卓、卢星宇、黄天柯";
        String[] split = str.split("、");
        //展示已有名字库
        System.out.println(Arrays.toString(split));
        int[] arr = new int[split.length];

        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();


        for (int i = 0; i < arr.length; i++) {
            arr[i] = -1;
        }

        for (int i = 0; i < n; i++) {

            //进行随机一次点名
            int num = (int) (Math.random() * split.length);
            if (arr[i] == -1) {
                arr[i] = num;
            } else {
                break;
            }
        }

        for (int i = 0; i < n; i++) {
            System.out.println(split[arr[i]]);
        }


    }
}