Practice Garbage Collection (5.6.2) - Objects - ICSE 11 Computer Applications

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9 questions

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6 sample questions

Question 1.
What does garbage collection do in Java?
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Think about the purpose of memory management.
Question 2.
What is a memory leak?
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Consider what happens if an application keeps using memory indefinitely.
3Question 3.
What happens to an object when it is no longer referenced?
- It is kept in memory
- It becomes eligible for garbage collection
- It is immediately deleted
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Think about memory management principles.
4Question 4.
True or False: Garbage collection in Java helps prevent memory leaks.
- True
- False
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Consider what garbage collection is designed to do.
Question 5.
You are given a program that stores user data in an object but fails to release those objects after use. Analyze the code and determine what potential memory issues could arise.
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Check for instances where references aren't set to null or removed.
Question 6.
Discuss how garbage collection would differ in a program with short-lived objects versus one with long-lived objects and what performance implications this might have.
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Consider the lifecycle of objects in each scenario.

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