Practice Object Graph And Nested Objects (16.10) - Serialization and Deserialization

Practice: Object Graph and Nested Objects

Lesson 16.10Serialization and Deserialization

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the Serializable interface do?
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Think about what happens when you want to save an object's state.
Question 2.
Define what will happen if a non-serializable object is included in a serializable class.
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What exception relates to serialization failure?
3Question 3.
What is a requirement for a class to be serialized in Java?
- It must implement Serializable.
- It must be public.
- It must extend another class.
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Think about Java's required conditions for serialization.
4Question 4.
If a field is marked as transient, what happens during serialization?
- True
- False
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Recall what transient means in terms of the serialization process.
Question 5.
Create a Java program that fails to serialize an object structure due to a non-serializable nested object. Identify the error and fix it.
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Look at your nested class hierarchies.
Question 6.
Design a custom serialization process using Externalizable for a class that has multiple nested serializable objects.
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Consider what you need to include during serialization and how to restore it during deserialization.

5 more questions in this section. Enroll free to practise them all.