求取一个网址的域名

》题目要求

　　》》随机输入一个网址

　　》》截取出该网址的域名并显示

》程序实现

 1 package cn.fury.test;
 2 
 3 import java.util.Scanner;
 4 
 5 public class Test{
 6     public static void main(String[] args) {
 7         Scanner sc = new Scanner(System.in);
 8         System.out.println("Please input a Uniform Resource Locator:");
 9         String URL = sc.nextLine();
10         int start = URL.indexOf('.');
11         int end = URL.indexOf('.',start + 1);
12         String domain_name = URL.substring(start + 1, end);
13         System.out.println("The domain name of the URL inputted by you is：" + domain_name);
14     }
15 }

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