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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does garbage collection do in Java?
💡 Hint: Think about the purpose of memory management.
Question 2
Easy
What is a memory leak?
💡 Hint: Consider what happens if an application keeps using memory indefinitely.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
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
💡 Hint: Think about memory management principles.
Question 2
True or False: Garbage collection in Java helps prevent memory leaks.
- True
- False
💡 Hint: Consider what garbage collection is designed to do.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
💡 Hint: Check for instances where references aren't set to null or removed.
Question 2
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.
💡 Hint: Consider the lifecycle of objects in each scenario.
Challenge and get performance evaluation