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JVM Memory Management and Garbage Collection
Question 1
Which of the following is true about JVM Stack Memory?
- A
It is used to store class-level data and references to objects
- B
It stores method calls, local variables, and references to objects
- C
It holds all instances of objects created in Java
- D
It stores only static variables
Question 2
Which of the following is NOT a type of memory area allocated by the JVM?
- A
Stack
- B
Heap
- C
Method Area
- D
Local Variable Area
Question 3
What happens when an object becomes eligible for garbage collection in Java?
- A
It is immediately deleted from memory
- B
It is marked for garbage collection by the Garbage Collector (GC)
- C
It is still accessible by other threads
- D
It is moved to the Heap space for permanent storage
Question 4
Which of the following memory areas in JVM is used to store class-level data like static variables and methods?
- A
Stack Memory
- B
Heap Memory
- C
Method Area
- D
Native Area
Question 5
What is Garbage Collection in the context of JVM memory management?
- A
It is the process of allocating memory to JVM Stack
- B
It is used to store objects in the Method Area
- C
It is responsible for managing Stack memory
- D
It is the process of deallocating unused memory and objects in the Heap
Question 6
What is the role of the Heap Memory in JVM?
- A
It stores method calls and local variables
- B
It is used for storing class-level data
- C
It stores instances of all objects created during program execution
- D
It is reserved for system resources
Question 7
Which of the following memory areas in the JVM is shared across all threads?
- A
Stack
- B
Heap
- C
Method Area
- D
Both B and C
Question 8
How does the Garbage Collector (GC) decide when to reclaim memory from unreachable objects?
- A
Based on a predefined time interval
- B
It uses reachability analysis to identify unreachable objects
- C
It runs when the Stack Memory is full
- D
When an object exceeds a certain size threshold
Question 9
What is Minor GC in Java?
- A
It collects garbage from the Heap Space, particularly from the Young Generation
- B
It is the collection of garbage from the Method Area
- C
It collects garbage from the Stack Memory
- D
It is an external process that interacts with JVM to free up memory
Question 10
Which JVM memory area is cleared automatically when a thread is terminated?
- A
Stack Memory
- B
Heap Memory
- C
Method Area
- D
Native Area
There are 10 questions to complete.
