随机点名器

import java.util.*;
public class CallName{
    public static void main(String[] args){
        String[] arr={"许","白","赵","王",
        "冯","曹","杜","王","李","崔",
        "何","朱","韩","杨","孙","吴","芦","蒲","朱壮志"};
        for(int i=0;i<arr.length;i++){
            
        }
        Random ran=new Random();
        int index=ran.nextInt(arr.length);
        System.out.println(arr[index]);
}
}