18.2. Socket Programming

Try these first

1. 1.

   What is a socket?

   Hint

   Think about endpoints in communication.

2. 2.

   Name the two types of sockets.

   Hint

   Consider how data is transmitted.

3. 3.

   What defines a socket?

   • A programming language
   • An endpoint for communication
   • A type of firewall

   Hint

   Think about what is needed for two programs to talk.

4. 4.

   True or False: UDP sockets guarantee that all packets sent are received in order.

   • True
   • False

   Hint

   Consider the characteristics of connectionless protocols.

5. 5.

   Design a simple TCP client in Java that connects to a server, sends a message, and prints the server's response.

   Hint

   Use the examples provided to guide your implementation.

6. 6.

   Create a UDP server in Java that receives messages and responds back to the client.

   Hint

   Consider how you handle receiving and sending packets.