urlconnectiondemo.java

java十大经典案例。打开Java相关文件

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

public class URLConnectionDemo{
	public static void main(String[] args) throws Exception{ 
		URL url = new  URL("http://java.sun.com/cgi-bin/backwards"); 
		URLConnection con = url.openConnection(); 
		con.setDoOutput(true);
		PrintStream out = new PrintStream(
			con.getOutputStream());
		out.println("0123456789");
		out.close(); 
		DataInputStream in = new DataInputStream(
			con.getInputStream());
		String inputLine;
		while ((inputLine = in.readLine()) != null) 
  			System.out.println(inputLine);
		System.in .read ();
		in.close();
	}
}