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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What interface do we implement for custom serialization in Java?
💡 Hint: It's related to object and byte stream conversion.
Question 2
Easy
Name one method you must implement when using Externalizable.
💡 Hint: Think of writing objects to a stream.
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
What is the main purpose of the Externalizable interface?
- To provide a default way to serialize objects
- To customize serialization
- To improve performance of Serializable
💡 Hint: Think about the differences in control it provides.
Question 2
True or False: The Externalizable interface requires implementing only one method.
- True
- False
💡 Hint: Count the methods!
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a scenario where using Externalizable would yield significant performance benefits. Consider the object structure and data types involved.
💡 Hint: Think about which fields are necessary for transmission.
Question 2
Implement an Externalizable interface in a class with fields of types List and Map. Discuss any challenges and considerations regarding serialization.
💡 Hint: How do these collections serialize? Are their contents also Externalizable?
Challenge and get performance evaluation