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3 cards from this section. Quick, good the night before a test.
What is the main function of heap memory in the JVM?
Think about where objects created in Java are stored.
Name the two subdivisions of heap memory.
One is for newly created objects; the other is for long-lived objects.
What type of objects are stored in the Young Generation?
Think about where new instances go initially.
Is it true that non-heap memory includes class metadata?
Recall what essential information the JVM needs to function.
A Java application frequently runs into OutOfMemoryError. Explain how you would analyze memory usage in both the heap and non-heap areas to resolve this issue.
Look into JVM monitoring tools like VisualVM or jconsole for insights.
Reflect on a scenario where JIT-compiled code can enhance application performance. Describe how this relates to memory management in the JVM.
Think about methods that are called multiple times and how optimizing them would affect overall application speed.
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