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This set of questions covers the key concepts of memory management in Java, including strong and weak references, the `finalize()` method, stack and heap overflows, the role of the JVM, different types of garbage collection algorithms, generational garbage collectors, and ways to improve memory performance.
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1. What is the difference between a soft reference and a phantom reference in Java?
2. What is the difference between a stack overflow and a heap overflow?
3. What is the difference between a strong reference and a weak reference in Java?
4. What are the different types of garbage collection algorithms used in Java?
5. What is the difference between a memory leak and a memory churn?
6. What is the role of the Java Virtual Machine (JVM) in memory management?
7. What are the different ways to improve memory performance in Java programs?
8. What is the purpose of the `-XX:PermSize` and `-XX:MaxPermSize` JVM options?
9. What is the purpose of the `finalize()` method in Java?
10. What is the advantage of using a generational garbage collector?