Practice Best Practices - 20.11 | 20. Serialization and Deserialization | Advanced Programming
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Best Practices

20.11 - Best Practices

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the transient keyword do?

💡 Hint: Think about sensitive fields in your class.

Question 2 Easy

What is the purpose of serialVersionUID?

💡 Hint: Remember, it helps avoid errors during deserialization.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of declaring serialVersionUID in a class?

To create a new object
To verify compatibility during deserialization
To serialize transient fields

💡 Hint: Think about what happens if the class definition changes.

Question 2

True or False: All fields in a serializable class are serialized by default.

True
False

💡 Hint: Consider how transient affects this statement.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a Java class implementing Serializable with potential issues if serialVersionUID is omitted. List those issues.

💡 Hint: Consider modifications that affect class compatibility.

Challenge 2 Hard

Refactor a given class to use Externalizable instead of Serializable, explaining the changes made.

💡 Hint: Think about what specific data needs to be controlled during serialization.

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