Random类案例之随机点名器

 

import java.util.Scanner;//引入Scanner类
import java.util.Random;
public class Test10{
	public static void main(String[] args){
	System.out.println("随机点名器----------");
String stu[]=new String[]{"张三","李四","王五","刘二","会计师"};
	ad(stu);
	as(stu);
	}
public static void ad(String stu[])
{
Scanner sc=new Scanner(System.in);
for(int i=0;i<stu.length;i++){
	String nam=stu[i];
System.out.println(nam);}
System.out.println();
}

public static void as(String stu[]){
	int index=new Random().nextInt(stu.length);
String name=stu[index];
System.out.println(name);
}
		
		
}