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28.5. Garbage Collection (GC)
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Practice test
12 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
4 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is Garbage Collection in Java?
Hint
Think about how Java handles memory automatically.
- 2.
What are the two main generations in Garbage Collection?
Hint
One is for new objects, while the other is for longer-lived objects.
- 3.
Which generation in Java garbage collection is primarily for new objects?
- Old Generation
- Young Generation
- Permanent Generation
Hint
Consider where freshly created objects go.
- 4.
True or False: The G1 garbage collector eliminates the need for tuning.
- True
- False
Hint
Think about any collection method's adaptability.
- 5.
Given an application running on Java with high memory usage, describe how you would approach tuning its garbage collection settings.
Hint
Look at both the performance and user experience aspects.
- 6.
Explain the potential impact of using the Serial GC in a multi-threaded application.
Hint
Think about how many threads are available and how they can be utilized.
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
4 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