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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the JVM option -verbose:gc do?
💡 Hint: Think about what you want to monitor in your application.
Question 2
Easy
What is the purpose of the -Xms option?
💡 Hint: Consider what happens to heap memory at the start of your Java application.
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 does -Xms specify?
- Maximum heap size
- Initial heap size
- Garbage collector type
💡 Hint: Think about the starting point of heap memory.
Question 2
True or False: -XX:+PrintGCDetails provides performance details of the application.
- True
- False
💡 Hint: Focus on what the logs contain.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Imagine you are tuning a Java application running out of memory errors. How would you approach setting the heap sizes and garbage collector?
💡 Hint: Consider the application's memory needs and the GC collector's performance.
Question 2
You notice frequent GC logs indicate long pause times. What steps can you take to minimize these pauses?
💡 Hint: Look for how memory is being reclaimed and at what cost.
Challenge and get performance evaluation