urldemo.java

nanjing university cs 的java课件。 对新手很有用。付课件中源码。

import java.net.*;

public class URLDemo {
	public static void main(String[] args) throws Exception{
		URL url = new URL("http://cs.nju.edu.cn/cs2/jiaowang/ibmtech/zc.html");
		System.out.println(url);  
		url = new URL("http", "cs.nju.edu.cn",80, "/cs2/jiaowang/ibmtech/zc.html");
		System.out.println(url);  
		url = new URL("http://cs.nju.edu.cn/");
		URL url_ibm = new URL(url,"cs2/jiaowang/ibmtech/zc.html");
		System.out.println(url_ibm);  
	}
}