Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the -Xms flag do?
💡 Hint: Think about what happens at the start of the application.
Question 2
Easy
What is the purpose of the -Xmx flag?
💡 Hint: Consider how much memory an application can use.
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 -Xms flag control?
- Initial heap size
- Maximum heap size
- Stack size
💡 Hint: Focus on what happens at application startup.
Question 2
True or False: The -XX:+HeapDumpOnOutOfMemoryError flag will create a heap dump when the JVM is running normally.
- True
- False
💡 Hint: Consider when heap dumps are valuable.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are experiencing performance issues in a Java web application that serves a large number of requests. Propose a set of JVM tuning flags that could help alleviate the stress on memory.
💡 Hint: Think about a balance of starting memory and maximum memory, and the collector that fits your needs.
Question 2
Your application faces high pause-times due to garbage collection. Analyze which flags could be adjusted or introduced to mitigate this issue.
💡 Hint: Focus on reducing the impact of garbage collection on performance.
Challenge and get performance evaluation