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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原文地址：https://blog.51cto.com/14623707/2468843