20. Serialization and Deserialization

Try these first

1. 1.

   What is serialization?

   Hint

   Think about how we would store an object.

2. 2.

   What does the transient keyword do?

   Hint

   Consider security and privacy for sensitive data.

3. 3.

   What is the purpose of serialization?

   • Achieving data integrity
   • Transmitting data
   • Both A and B

   Hint

   Think about how data is stored and sent.

4. 4.

   True or False: The transient keyword is used to make fields persistent.

   • True
   • False

   Hint

   Consider what transient means in programming.

5. 5.

   Create a Java program that uses serialization and deserialization to store and retrieve user details.

   Hint

   Use FileOutputStream and FileInputStream for file operations.

6. 6.

   Explain how to implement custom serialization using Externalizable for class Employee.

   Hint

   Consider only saving necessary data.