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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the -Xms parameter signify?
💡 Hint: Think of it as what the JVM starts with.
Question 2
Easy
Name a tool used for monitoring Java heap?
💡 Hint: It's a monitoring tool that comes with the JDK.
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 the -Xmx parameter represent?
- Initial heap size
- Maximum heap size
- Current heap size
💡 Hint: Think about the limits on memory.
Question 2
True or False: Monitoring heap usage is not necessary if you set -Xms and -Xmx correctly.
- True
- False
💡 Hint: How dynamic are applications?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Your application initially runs with -Xms1g and -Xmx4g but starts facing OutOfMemoryErrors under high load. What would be your troubleshooting steps?
💡 Hint: Consider what maximum your application's requirements would be under expected load.
Question 2
After using VisualVM, you notice that your heap usage consistently reaches 95% during peak operations. What actions should you consider taking?
💡 Hint: How might you predict future usage?
Challenge and get performance evaluation