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Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java class implementing Serializable with potential issues if serialVersionUID is omitted. List those issues.
💡 Hint: Consider modifications that affect class compatibility.
Question 2
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.
Challenge and get performance evaluation