TCP Socket one-to-one communication example

 

TCP Socket one-to-one communication example

 

TCP Socket one-to-one communication example

talkserver.java

talkclient.java

 

talkserver.java

import java.io. *;
import java.net.*;
import java.applet.Applet;
public class talkserver
{
	public static void main(String args[])
	{
		try
		{
			ServerSocket server = null;
			try
			{
				server = new ServerSocket(4700);
			}catch(Exception e)
			{
				System.out.println("can not listen to:" + e);
			}
			Socket socket = null;
			try
			{
				socket = server.accept();
			}catch(Exception e)
			{
				System.out.println("Error:" + e);
			}
			String line;
			BufferedReader is = new BufferedReader(new InputStreamReader(
				socket.getInputStream()));
			PrintWriter os = new PrintWriter(socket.getOutputStream());
			BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));
			System.out.println("Client:" + is.readLine());
			line = sin.readLine();
			while (!line.equals("bye"))	
			{
				os.println(line);
				os.flush();
				System.out.println("Server:" + line);
				System.out.println("Client:" + is.readLine());
				line = sin.readLine();
			}

			is.close();
			os.close();
			socket.close();
			server.close();
		}catch(Exception e)
		{
			System.out.println("Error" + e);
		}
	}
}
			

 

talkclient.java

import java.io. *;
import java.net.*;
public class talkclient
{
	public static void main(String args[])
	{
		try
		{
			Socket socket = new Socket("127.0.0.1",4700);
			BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));
			PrintWriter os = new PrintWriter(socket.getOutputStream());
			BufferedReader is = new BufferedReader(new InputStreamReader(
				socket.getInputStream()));
			String readline;
			readline = sin.readLine();
			while (!readline.equals("bye"))	
			{
				os.println(readline);
				os.flush();
				System.out.println("Client:" + readline);
				System.out.println("Server:" + is.readLine());
				readline = sin.readLine();
			}
			os.close();
			is.close();
			socket.close();
		}catch(Exception e)
		{
			System.out.println("Error" + e);
		}
	}
}
			

 

F:\java\socket>javac talkserver.java

F:\java\socket>java talkserver
Client: hello
how are you
Server: How are you?
Client: What are you doing?
watching a movie, how about you?
Server: Watching a movie, how about you?
Client: I listen to music, so boring, I also want to watch movies, do you have any movies you recommend?
There is a new movie recently, which has just been released and has a good reputation. I recommend you to watch it.
Server: There is a new movie recently, which has just been released and has a good reputation. I recommend you to watch it.
Client: What movie?
"The Great Cause of Founding an Army", do you want to see it?
Server: "The Founding of an Army", do you want to watch it?
Client: Oh, I've heard it. There's a hot show in this movie theater. I just have time this weekend, so I'll go check it out. How about you?
I'm free this weekend too, let's watch it together.
Server: I'm free this weekend, let's watch it together.
Client: Wow, see you at the weekend.
See Weekend
Server: see you this weekend
Client:null
bye

F:\java\socket>

 

F:\java\socket>javac talkclient.java

F:\java\socket>java talkclient
Hello
Client: hello
Server: How are you?
What are you doing?
Client: What are you doing?
Server: Watching a movie, how about you?
I listen to music, it's so boring, I want to watch movies too, do you have any movies you recommend?
Client: I listen to music, so boring, I also want to watch movies, do you have any movies you recommend?
Server: There is a new movie recently, which has just been released and has a good reputation. I recommend you to watch it.
what movie?
Client: What movie?
Server: "The Founding of an Army", do you want to watch it?
Oh, I heard that there is a hot show in this movie theater. I just have time this weekend, so I will go and see it. How about you?
Client: Oh, I've heard it. There's a hot show in this movie theater. I just have time this weekend, so I'll go check it out. How about you?
Server: I'm free this weekend, let's watch it together.
Wow, see you on the weekend.
Client: Wow, see you at the weekend.
Server: see you this weekend
bye

F:\java\socket>