Java小项目之：聊天系统，在家无聊必备！

Java小项目之：聊天系统
今天给大家带来的java练手小项目是一个简单的聊天室，界面简单，操作不难。
分为注册系统，登录系统和聊天系统三部分，很适合java小白练手。
界面展示：

代码展示：
package chatRoom2;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;

public class Client {

/**
 * @param args
 */
public static void main(String[] args) {
	// TODO Auto-generated method stub
	Socket socket = null;
	try {
		socket = new Socket("127.0.0.1", 8000);
		new ClientWriterThread(socket).start();
		new ClientReaderThread(socket).start();
	} catch (Exception e) {
		e.printStackTrace();
	}
}

}

class ClientWriterThread extends Thread {
private Socket socket;
private BufferedReader in;
private PrintWriter out;

public ClientWriterThread(Socket socket) {
	super();
	this.socket = socket;
	try {
		in = new BufferedReader(new InputStreamReader(System.in));
		out = new PrintWriter(new OutputStreamWriter(
				socket.getOutputStream()), true);
	} catch (Exception e) {
		e.printStackTrace();
	}
}

@Override
public void run() {
	while (true) {
		try {
			String str = in.readLine();
			if (str == null || "exit".equals(str)) {
				break;
			}
			out.println(str);
		} catch (Exception e) {
			e.printStackTrace();
			break;
		}
	}
}

@Override
public String toString() {
	return "ClientWriterThread [socket=" + socket + "]";
}

}

class ClientReaderThread extends Thread {
private Socket socket;
private BufferedReader in;

public ClientReaderThread(Socket socket) {
	super();
	this.socket = socket;
	try {
		in = new BufferedReader(new InputStreamReader(
				socket.getInputStream()));
	} catch (Exception e) {
		e.printStackTrace();
	}
}

@Override
public void run() {
	while (true) {
		try {
			String str = in.readLine();
			if ("exit".equals(str)) {
				break;
			}
			System.out.println("服务器说:" + str);
		} catch (Exception e) {
			e.printStackTrace();
			break;
		}
	}
}

@Override
public String toString() {
	return "ClientReaderThread [socket=" + socket + "]";
}

}
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