Enrol to start learning
Reading is open to everyone. Enrolling is free, and it is what unlocks the audio lessons, practice tests and progress tracking.
21.1.3. Serialization
This section
Practice test
11 questions on this section. Wrong answers show you what to read again.
Sign up to take itWhole chapter
Revision test
Mixed questions from across the chapter. Your answers get marked.
Sign up to take itQuick
Flashcard drill
4 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is serialization in Java?
Hint
Think about saving data.
- 2.
Which interface must a class implement for its objects to be serialized?
Hint
Look for the keyword 'Serializable'.
- 3.
What is serialization?
- Converting text to bytes
- Storing object state as bytes
- Creating files from strings
Hint
Think about the purpose of saving data.
- 4.
True or False: A class needs to implement Serializable to be serialized.
- True
- False
Hint
Recall the definition of Serializable.
- 5.
Design a Serializable class called 'Book' that includes title, author, and publication year. Write a method to serialize the book object.
Hint
Consider the fields that define a Book object.
- 6.
Discuss the security concerns associated with serialization and suggest best practices to mitigate these issues.
Hint
Think about what happens if unknown data is processed.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
3 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting