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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a memory leak?
💡 Hint: Think about memory that can't be reclaimed.
Question 2
Easy
Name one common cause of memory leaks in Java.
💡 Hint: Consider how static variables behave.
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 is a memory leak in Java?
- A situation where memory is reclaimed immediately.
- A scenario where memory usage increases without any object references.
- A state where memory that is no longer used cannot be reclaimed due to lingering references.
💡 Hint: Think about why the GC would fail to reclaim memory.
Question 2
True or False: WeakReference objects can be garbage collected if no strong references to them exist.
- True
- False
💡 Hint: Think about the purpose and characteristics of WeakReferences.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a Java application that uses a static list and ensure it safely manages memory without leaks.
💡 Hint: Consider when to clear the list for effective memory management.
Question 2
Describe a scenario in which listeners cause memory leaks, and propose a coding solution to prevent this.
💡 Hint: Think about lifecycle events in your application.
Challenge and get performance evaluation