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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is reachability analysis?
💡 Hint: Think of how garbage collectors find unused objects.
Question 2
Easy
List one example of a GC Root.
💡 Hint: Consider what types of variables exist during method calls.
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 the purpose of reachability analysis?
- To identify which objects are reachable and can be collected.
- To remove all objects from memory.
- To allocate new memory.
💡 Hint: Consider what the data indicates about memory use.
Question 2
True or False: An object is unreachable if it can be referenced from a GC Root.
- True
- False
💡 Hint: Think about how references link objects together.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain how reachability analysis impacts performance in large-scale Java applications.
💡 Hint: Consider the implications of memory management practices.
Question 2
Design a small code snippet that illustrates an example of reachability and what happens when an object becomes unreachable.
💡 Hint: Think about instance variables, and how you change their references.
Challenge and get performance evaluation