j_url.java

一个十分好的java基础学习的课件

// ////////////////////////////////////////////////////////
// 
// J_Url.java
// 
// Created by Jun-Hai Yong,    on XX xx, xxxx (Date)
// ////////////////////////////////////////////////////////
// Readme:
//      An example of using class java.net.URL.
// ////////////////////////////////////////////////////////
// Using this example, please explicitly refer to the book:
//     Jun-Hai Yong. Programming in Java. 
//     Beijing: Tsinghua University Press, 2004.
// 使用本例子，请注明引用:
//     雍俊海. Java 程序设计. 北京: 清华大学出版社, 2004.
// Please note that the author and publisher make no 
// warranty of any kind on the examples provided.
// ////////////////////////////////////////////////////////

import java.net.*;

public class J_Url
{

    public static void main(String args[])
    {
        try
        {
            URL url = new URL("http://www.tsinghua.edu.cn/chn/index.htm"); 
            System.out.println("protocol = "+ url.getProtocol( )); 
            System.out.println("host ="+url.getHost( )); 
            System.out.println("filename ="+url.getFile( )); 
            System.out.println("port="+url.getPort( )); 
            System.out.println("ref="+url.getRef( )); 
        }
        catch (MalformedURLException e)
        { 
            System.err.println(e);
        } 
    } // End of method: main

} // End of class: J_Url