Question: What is the result of popping an element from an empty stack?
Options:
The top element is returned
An error is thrown
The stack remains unchanged
The stack is cleared
Correct Answer: An error is thrown
Solution:
Popping an element from an empty stack typically results in an error being thrown, as there are no elements to remove.
What is the result of popping an element from an empty stack?
Practice Questions
Q1
What is the result of popping an element from an empty stack?
The top element is returned
An error is thrown
The stack remains unchanged
The stack is cleared
Questions & Step-by-Step Solutions
What is the result of popping an element from an empty stack?
Step 1: Understand what a stack is. A stack is a data structure that stores items in a last-in, first-out (LIFO) manner.
Step 2: Know what 'popping' means. Popping an element means removing the top item from the stack.
Step 3: Recognize what an empty stack is. An empty stack has no items in it.
Step 4: Consider what happens when you try to pop from an empty stack. Since there are no items to remove, the operation cannot be completed.
Step 5: Understand the result of this action. Attempting to pop from an empty stack usually causes an error, indicating that there are no elements to pop.
No concepts available.
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