Question - 15 :JavaScript Regular function knowledgeWhat is the difference between `map()` and `forEach()` methods ? `Answer :` The 'map()' method creates a new array with the results of calling provided function on every element in the calling array . Whereas, the forEach() method ...
Functional coding interview questions have a nice property: you can show your work by first expressing what you are trying to achieve in plain English, then writing an unit test, and then coding the solution. The result as you can see is almost 1 to 1 mapping from plain Englis...
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Don't write a function that runs in O(n2) if it can pretty easily have an O(n) runtime with the use of hash maps.Candidates are expected to take just around 10-15 minutes for a basic question. If you can tell that you received a basic question, try to finish within the suggested...
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It's simple—you click on one of three boxes to see what nice thing you've won. You always win something nice. Because we love you. Here's what we have so far. Something's going wrong though. Can you tell what it is? Button 1 Button 2 Button 3 const prizes = ['A Unicorn...
Abstract classes and interfaces are used in java for defining the contract. But, what is the difference between them? When should we use interface over the abstract class and vice versa? It’s a great design question and asked a lot in java interviews. This post provides all the differences...
Standard rotated binary search question. You have a sorted array that has been shifted/cycled, perform a search on it Retrieve words from a dictionary that are made up of a subsequence of characters in an input string (i.e. given input “ABAT,” matching words may include “BAT” and “...
Question 2:How do you handle tight deadlines or multiple tasks? Tip to answer:When addressing this question, share a specific example using theSTAR+R formatto demonstrate your ability. Highlight your skills in prioritisation, time management, and organisation, emphasising how you delegated tasks and...