18.2.2. Java Socket Classes

Try these first

1. 1.

   What does a socket represent in network programming?

   Hint

   Think about how devices talk to each other over the network.

2. 2.

   What class do we use to create a server-side socket in Java?

   Hint

   This class listens for incoming connections.

3. 3.

   What does a socket consist of?

   • IP Address and Port Number
   • URL and Domain
   • IP Address and Network Type

   Hint

   Think about how computers identify each other on a network.

4. 4.

   True or False: UDP provides reliable communication between two endpoints.

   • True
   • False

   Hint

   Recall the characteristics of TCP compared to UDP.

5. 5.

   Create a TCP client and server application in Java that can communicate, sending a customized message and receiving an appropriate response.

   Hint

   Remember to handle exceptions and ensure both client and server are running simultaneously.

6. 6.

   Explain how you would implement a basic UDP chat application using java.net.DatagramSocket and DatagramPacket.

   Hint

   Consider scenarios where messages might be lost or arrive out of order.