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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to superclass fields during serialization if the superclass is not serializable?
💡 Hint: Think about what gets saved when an object is serialized.
Question 2
Easy
In the example of Employee and Person, what attribute would be missing if Person isn't serializable?
💡 Hint: Focus on the fields defined in the superclass.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
If a superclass is not serializable, its fields will be:
- Serialized
- Not Serialized
- Partially Serialized
💡 Hint: Remember how Java defines serialization with respect to class hierarchies.
Question 2
True or False: An Employee class that extends a non-serializable Person class can retain the nationality attribute.
- True
- False
💡 Hint: Think about the serialization rules again.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java class hierarchy with a base class that is not serializable. Describe what happens when you serialize an object of a subclass.
💡 Hint: Clarify how serialization treats base and derived classes.
Question 2
Propose a method to ensure that all classes in a complex hierarchy are serializable without repetitive code.
💡 Hint: Think about how inheritance can help reduce redundancy.
Challenge and get performance evaluation