Practice What Is Garbage Collection? (9.3.1) - Memory Management and Garbage Collection

Practice: What is Garbage Collection?

Lesson 9.3.1Memory Management and Garbage Collection

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9 questions

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6 sample questions

Question 1.
What is Garbage Collection?
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Think about memory management in programming.
Question 2.
What are the two main phases of Garbage Collection?
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Consider the first phase as identifying and the second as removing.
3Question 3.
What is the main purpose of Garbage Collection?
- Via manual memory management
- Auto freeing of memory from unreachable objects
- Identifying data integrity issues
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Think of memory as resources that need to be managed efficiently.
4Question 4.
True or False: The mark phase of Garbage Collection removes unreachable objects.
- True
- False
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Remember the sequence of phases.
Question 5.
Consider a scenario where an application has several listeners that are never removed after their purpose is fulfilled. Identify the potential memory issue and provide strategies to mitigate it.
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Think about lifecycle management of listeners.
Question 6.
You have developed a Java application that keeps throwing OutOfMemoryError despite active Garbage Collection. What steps can you take to diagnose and resolve this issue?
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Investigate how references are managed throughout the application's lifecycle.

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