28. JVM Internals and Performance Tuning

Try these first

1. 1.

   What is the primary function of the Class Loader in JVM?

   Hint

   Think about how Java manages class files.

2. 2.

   What does the JIT compiler do?

   Hint

   Consider how Java applications improve performance.

3. 3.

   What component of the JVM is responsible for loading class files?

   • Execution Engine
   • Class Loader
   • Garbage Collector

   Hint

   Consider which component acts as the entry point for class data.

4. 4.

   True or False: The Young Generation is where objects that have a longer lifespan are stored.

   • True
   • False

   Hint

   Think of the lifecycle of typical objects in Java applications.

5. 5.

   Analyze a scenario where your Java application experiences OutOfMemoryError. Describe the steps you would take to investigate and mitigate this issue.

   Hint

   Think about the memory lifecycle and how objects are managed.

6. 6.

   Given an application that has high memory usage, recommend JVM tuning parameters that could improve its performance. Justify your choices.

   Hint

   Consider how you would balance memory allocation with application throughput.