browser.java

java应用开发详解

import java.io.*;
import java.net.*;

public class Browser 
{
	//网址URL
	String urlString;
  	public static void main(String[] args) throws Exception 
  	{
     		if(args.length != 1) 
     		{
      			System.out.println("Usage: java Browser url");
      			System.exit(1);
     		}
     		Browser browser = new Browser(args[0]);
     		browser.run();
  	}

  	public Browser(String urlString) 
  	{
     		this.urlString = urlString;
  	}

  	public void run() throws Exception 
  	{
     		InputStream  in =(new URL(urlString)).openStream();
     		
      		int c=-1;
      		while ((c = in.read()) != -1)
      		{
           		System.out.write(c);
           	}
     		
  	}
}