reverse.java

JAVA的高级应用以及网络编程

import java.io.*;
import java.net.*;
public class Reverse {
	public static void main(String[] args) throws Exception {
		if (args.length != 1) {
			System.err.println("Usage: java Reverse string_to_reverse");
			System.exit(1); 
		}
		String stringToReverse=args[0];
		URL url = new URL("http://java.sun.com/cgi-bin/backwards");
		URLConnection connection = url.openConnection();
		connection.setDoOutput(true);
		PrintWriter out = new PrintWriter(connection.getOutputStream());
		out.println("string=" + stringToReverse); 
		out.close();
		BufferedReader in = new BufferedReader(
			new InputStreamReader(connection.getInputStream())); 
		String inputLine;
		while ((inputLine = in.readLine()) != null) 
		System.out.println(inputLine);
		in.close();
	}
}