client.java

sun公司提供的java编程的用户指南。一个很好的java自学工具。

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

public class Client extends Thread {
    Socket clientSocket = null;

    public Client(Socket s) {
	clientSocket = s;
    }

    public void run() {
	if (clientSocket == null) {
	    return;
	}

	PrintStream out = null;

	Utilities.printMsg("creating output stream");

	try {
	    out = new PrintStream(clientSocket.getOutputStream());
	} catch (IOException e) {
	    System.err.println("Error binding output to socket, " + e); 
	    System.exit(1);
	}

	Utilities.printMsg("writing current date");

	Date d = new Date();
	out.println(d);

	try {          
	    out.close();
	    clientSocket.close();
	} catch (IOException e) {
	}
    }

    protected void finalize() {
	if (clientSocket != null) {
	    try {
		clientSocket.close();
	    } catch (IOException e) {
	    }
	    clientSocket = null;
	}
    }  
}