20.5. The Keyword transient

Try these first

1. 1.

   What keyword do you use in Java to prevent serialization of a field?

   Hint

   Think about security in Java.

2. 2.

   What happens to transient fields during deserialization?

   Hint

   Defaults can be zero, false, or null.

3. 3.

   What does the transient keyword do in Java serialization?

   • It prevents serialization of the field.
   • It modifies the field value.
   • It increases performance.

   Hint

   Think about what happens when you want to protect sensitive data.

4. 4.

   When a transient field is deserialized, what value is it initialized to?

   • True
   • It retains its original value.

   Hint

   Reflect on what default values are for various data types.

5. 5.

   You are creating an application for user registration. Define a User class using the transient keyword appropriately while ensuring password security.

   Hint

   Think about what information should remain private.

6. 6.

   Discuss the possible consequences of not declaring sensitive fields as transient when serializing objects.

   Hint

   Reflect on the importance of data privacy.