18.3.1. TCP Server Example

Try these first

1. 1.

   What class is used to create a TCP server in Java?

   Hint

   It's the class specifically for server communication.

2. 2.

   What method is used to accept a client connection?

   Hint

   What do you call the action of receiving a client?

3. 3.

   What protocol does the TCP server use?

   • UDP
   • TCP
   • FTP

   Hint

   Think about the protocol that guarantees delivery.

4. 4.

   True or False: A ServerSocket can be closed without closing the client socket.

   • True
   • False

   Hint

   Consider whether server and client sockets are dependent.

5. 5.

   Design a TCP server that can handle multiple clients and broadcast messages received from any client to all other connected clients.

   Hint

   How would you communicate with all clients when one sends a message?

6. 6.

   Modify the existing TCP server to incorporate a simple command protocol where the client can send commands such as 'TIME' to receive the current server time.

   Hint

   What function can you use to get the current time in Java?