java-多线程聊天

这是一个基于控制台的多线程聊天程序，感觉在线程这块代码可以优化下
话不多说，直接贴出代码

import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.Socket;import java.net.UnknownHostException;import java.util.Scanner;/** * 客户端 * @author Administrator * */public class Client {public static void main(String[] args) {Socket client = null;try {client = new Socket("127.0.0.1", 9999);// 发送消息Thread out = new Thread(new Output(client));out.start();// 接受消息Thread in = new Thread(new Input(client));in.start();} catch (UnknownHostException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}/** * 客户端的接收线程 * @author Administrator * */class Input implements Runnable {private Socket client;private BufferedReader br;public Input(Socket client) {try {br = new BufferedReader(new InputStreamReader(client.getInputStream()));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}@Overridepublic void run() {while (true) {char[] msg = new char[2048];try {br.read(msg);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}System.out.println("服务器：" + String.valueOf(msg));}}}/** * 客户端的发送线程 * @author Administrator * */class Output implements Runnable {private Socket client = null;private BufferedWriter bw = null;Scanner sc = new Scanner(System.in);public Output(Socket client) {try {bw = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}String info = null;@Overridepublic void run() {while (info != "exit") {try {System.out.println("请输入消息： ");info = sc.nextLine();bw.write(info);bw.flush();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}

<pre name="code" class="java">import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.ServerSocket;import java.net.Socket;import java.util.Scanner;/** * 服务器端 *  * @author Administrator * */public class Server {public static void main(String[] args) {ServerSocket server = null;try {server = new ServerSocket(9999);System.out.println("服务器已启动。。。。。。。。。");Socket socket = server.accept();System.out.println("客户机上线了！");// 读取客户端的消息Thread out = new Thread(new SOutput(socket));out.start();// 向客户端发送消息Thread in = new Thread(new SInput(socket));in.start();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();System.out.println("服务器启动失败。。。。。。。。。");}}}/** * 服务器的接收线程 * @author Administrator * */class SInput implements Runnable {private Socket client;private BufferedReader br;public SInput(Socket client) {try {br = new BufferedReader(new InputStreamReader(client.getInputStream()));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}@Overridepublic void run() {while (true) {char[] msg = new char[2048];try {br.read(msg);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}System.out.println("客户端：" + String.valueOf(msg));}}}/** * 服务器的发送线程 * @author Administrator * */class SOutput implements Runnable {private Socket client = null;private BufferedWriter bw = null;Scanner sc = new Scanner(System.in);public SOutput(Socket client) {try {bw = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}@Overridepublic void run() {while (true) {System.out.println("请输入消息： ");String info = sc.nextLine();try {bw.write(info);bw.flush();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}