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java socket¶àÏ̴߳úÂë

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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class ThreadSocketServer extends Thread {
    private Socket client;
    public ThreadSocketServer(Socket client) {
        this.client = client;
    }
    public void run() {
        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(client
                    .getInputStream()));
            PrintWriter out = new PrintWriter(client.getOutputStream());
            while (true) {
                String str = in.readLine();
                System.out.println(str);
                out.println("has receive....");
                out.flush();
                if (str.equals("end"))
                    break;
            }
            client.close();
        } catch (IOException ex) {
        } finally {
        }
    }
   
    public static void main(String[] args)throws IOException{
 


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