Practice Memory Management And Garbage Collection (9) - Memory Management and Garbage Collection

Practice: Memory Management and Garbage Collection

Lesson 9Memory Management and Garbage Collection

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9 questions

Flashcard drill
2 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the heap in Java store?
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Think of where objects are created during runtime.
Question 2.
What is garbage collection?
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Consider the problems you would face without it.
3Question 3.
What is the primary function of the Garbage Collector in Java?
- To reduce CPU usage
- To manage threads
- To free up memory
- To allocate memory
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Consider what happens to memory when objects are no longer needed.
4Question 4.
True or False: The heap is used to store method calls and local variables.
- True
- False
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Think about where you see objects when programming.
Question 5.
Analyze a Java application experiencing frequent out-of-memory errors. Identify potential causes and suggest a memory management strategy.
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Think about how memory could be unintentionally held.
Question 6.
Design a small Java application that uses multiple types of garbage collectors. Compare their performance based on your observations.
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Consider how each collector handles different loads of objects.

5 more questions in this section. Enroll free to practise them all.