java 网络编程 Socket连接

import java.net.*;
import java.io.*;

public class TCPClient {
public static void main(String[] args) throws Exception {
	Socket s = new Socket("127.0.0.1", 6666);
	OutputStream os = s.getOutputStream();
	DataOutputStream dos = new DataOutputStream(os);
	dos.writeUTF("hello server!");
	dos.flush();
	dos.close();
	s.close();
}
} 

 import java.net.*;
import java.io.*;

public class TCPServer {
public static void main(String[] args) throws Exception {
	ServerSocket ss = new ServerSocket(6666);
	while(true) {
		Socket s = ss.accept();
		DataInputStream dis = new DataInputStream(s.getInputStream());
		System.out.println(dis.readUTF());
		dis.close();
		s.close();
	}		
}
}

 

摘自马士兵视频例子