Practice Garbage Collection (gc) (28.5) - JVM Internals and Performance Tuning

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10 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is Garbage Collection in Java?
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Think about how Java handles memory automatically.
Question 2.
What are the two main generations in Garbage Collection?
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One is for new objects, while the other is for longer-lived objects.
3Question 3.
Which generation in Java garbage collection is primarily for new objects?
- Old Generation
- Young Generation
- Permanent Generation
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Consider where freshly created objects go.
4Question 4.
True or False: The G1 garbage collector eliminates the need for tuning.
- True
- False
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Think about any collection method's adaptability.
Question 5.
Given an application running on Java with high memory usage, describe how you would approach tuning its garbage collection settings.
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Look at both the performance and user experience aspects.
Question 6.
Explain the potential impact of using the Serial GC in a multi-threaded application.
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Think about how many threads are available and how they can be utilized.

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