Implement Stack Using Queue | JavaScript Machine Coding | Frontend Interview

Published: 24 January 2024
on channel: Manish K. Dudeja

Hello Everyone,

In this video, we have discussed the problem generally asked in the JavaScript Coding/ Machine Coding round at the Frontend interview.

Problem Statement: Implement Stack Using Queue

Suppose you have a stack, which has only follow interface:
class Queue {
enqueue(element) { /* add element to queue, similar to Array.prototype.push */ }
peek() { /* get the head element*/ }
dequeue() { /* remove the head element, similar to Array.prototype.shift */ }
size() { /* count of elements */ }
}

Could you implement a Queue by using only the above Stack? A Queue must have the following interface
class Stack {
push(element) { /* add element to stack */ }
peek() { /* get the top element */ }
pop() { /* remove the top element */}
size() { /* count of elements */}
}

We have discussed the following problem areas:
1. Problem Statement
2. Approach the Solution
3. Solution Implement

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Thanks,
Manish K. Dudeja

#javascript #reactjs #frontendinterview #interviewquestion

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