Practice Best Practices For Efficient Memory Management (9.10) - Memory Management and Garbage Collection

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10 questions

Flashcard drill
5 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 object reuse?
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Think about how we can minimize resource usage.
Question 2.
What is a memory leak?
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Consider what happens when objects are not cleared.
3Question 3.
What does object reuse help to minimize?
- Object creation
- Memory leaks
- Garbage collection frequency
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Focus on how reusing is advantageous.
4Question 4.
True or False: Memory leaks can occur in Java even with garbage collection.
- True
- False
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Consider how references impact garbage collection.
Question 5.
Consider an application that frequently concatenates strings in a loop. Analyze its performance and propose improvements.
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Focus on the number of objects created with each approach.
Question 6.
You notice an application has slow performance due to memory leaks. Design a plan to identify and fix these leaks.
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Consider which tools would have the best visibility into memory usage.

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