Java小项目之：教你做个聊天系统！

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。

完整的源码和素材请关注并私信我获取！

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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