关于 tcp 连接的问题 - 黑马程序员技术交流社区

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;
public class TCPDemo {
public static void main(String[] args) {
class Server{
private ServerSocket mServer;
private Socket mClient;
public void begin() throws IOException{
mServer = new ServerSocket(60000);
mClient = mServer.accept();
mClient.getOutputStream().write("nihao".getBytes());
System.out.println("server send over");
mClient.close();
mServer.close();
System.out.println("server over");
}
}
class Client{
private Socket mClient;
public void begin() throws UnknownHostException, IOException, InterruptedException{
mClient = new Socket("127.0.0.1", 60000);
Thread.sleep(3000);
System.out.println("Client recevice data");
System.out.println(mClient.getInputStream().read());
}
}
new Thread(new Runnable(){
@Override
public void run() {
try {
new Server().begin();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}).start();
new Thread(new Runnable(){
@Override
public void run() {
try {
new Client().begin();
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}).start();
}
}

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