Java Heap vs Stack

Here are 10 essential multiple-choice questions on Java Heap vs Stack, covering key concepts.

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Question 1

Which of the following is stored in Stack Memory in Java?

  • Local variables and method calls

  • Objects and their properties

  • Class-level static variables

  • Reference variables

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Question 2

In Java, what is true about Heap Memory?

  • Heap Memory stores method calls and references to variables

  • Heap Memory is where instance objects are created and stored

  • Heap Memory is automatically deallocated when methods return


  • Heap Memory is used for storing thread-related information

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Question 3

What happens when a method is invoked in Java?

  • The method’s local variables are stored in Heap Memory

  • The method’s local variables and references are stored in Stack Memory

  • The method’s local variables and references are stored in Method Area

  • The method execution is not related to memory allocation

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Question 4

How are primitive types (e.g., int, char) stored in Java?

  • They are stored in Stack Memory

  • They are stored in Heap Memory

  • They are stored in the Method Area

  • They are stored in Permanent Generation

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Question 5

When an object is created in Java, where is it stored?

  • Stack Memory

  • Method Area

  • Heap Memory

  • Native Memory

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Question 6

Which of the following statements about Stack Memory in Java is true?

  • It is used for allocating objects

  • It is shared by all threads

  • It stores data that can be accessed across threads

  • It is cleared automatically when a method execution ends

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Question 7

Which of the following is NOT true about Heap Memory in Java?

  • Objects stored in Heap Memory are accessible across different methods

  • Heap Memory is automatically garbage collected when objects are no longer referenced

  • Memory in Heap is limited and needs to be manually managed

  • Objects stored in Heap Memory are shared among threads

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Question 8

In terms of performance, which of the following is true about Stack Memory?

  • It is faster because it follows LIFO (Last-In-First-Out) order

  • It is slower than Heap Memory because of object creation

  • It can handle large objects efficiently

  • It has more memory space compared to Heap Memory

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Question 9

How does memory allocation differ between Heap and Stack?

  • Heap Memory is allocated for storing variables, and Stack Memory is used for methods

  • Stack Memory is for variables and method calls, while Heap Memory is for objects

  • Stack Memory stores objects, and Heap Memory stores primitive types

  • Heap Memory is faster, while Stack Memory is slower

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Question 10

Which of the following is a characteristic of Heap Memory?

  • It is allocated and deallocated automatically

  • It stores references to variables and method calls

  • It has a limited size that can lead to StackOverflowErrors

  • It is cleared immediately after method execution

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There are 10 questions to complete.

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