Stack Data Structure in Java
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Questions and Answers

What is the main principle behind a Stack data structure?

  • Alphabetical order
  • Last In First Out (LIFO) (correct)
  • Random retrieval
  • First In First Out (FIFO)

Which data structure has a limited size implementation for a Stack?

  • Linked List
  • Array (correct)
  • Queue
  • Hash Table

What is the algorithm used to add an element to an Array Stack?

  • Pop
  • Push (correct)
  • Peek
  • Traverse

How is the 'isEmpty' algorithm implemented in a Linked List Stack?

<p>Return size==0; (B)</p> Signup and view all the answers

What does the 'Merge' algorithm do in a Stack data structure?

<p>Combine two stacks into one (C)</p> Signup and view all the answers

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