LearningMate Solutions Senior Test Engineer Interview Questions, Process, and Tips for Experienced

Q1. DS and algorithm questions
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Q1. IOS /Skillset questions some tricky questions
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Q1. Personality and Compensation discussion
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Easy leetcode code 2 questions , HTML5 css javascript simple screen design

Q1. Oop, Simple coding javascript, react basic, sql basic
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Q1. What is react, diff between react and angular, deep copy shallow copy, hoisting, diff between props and state
Ans. 
React is a JavaScript library for building user interfaces. It is different from Angular in various ways.
• React is a library while Angular is a framework

• React uses virtual DOM while Angular uses real DOM

• React is more flexible and easier to learn than Angular

• Deep copy creates a new object with the same values while shallow copy creates a new reference to the same object

• Hoisting is a JavaScript mechanism where variables a...read more
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Q2. Implement custom hooks and array flat method
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Implement custom hooks and array flat method
• Custom hooks are reusable functions that allow you to extract component logic into reusable functions

• Array flat method is used to flatten an array of nested arrays into a single array

• To implement custom hooks, create a function that uses the useState and useEffect hooks

• To implement array flat method, use the reduce method to flatten the array
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Got 2 medium level DSA questions in the coding test

Q1. Computer fundamentals
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Q2. System Design Questions
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Two dynamic programming challenges at the hard level on LeetCode and 10 medium-level SQL challenge.

2.5 Hours 2 Coding que and sql query and topin tech platform

Q1. Based on boolean matrix
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Q2. Find k closest node of given given node in a BST.
Ans. 
Find k closest nodes to a given node in a BST.
• Perform an inorder traversal of the BST to get a sorted list of nodes.

• Use a priority queue to keep track of the k closest nodes based on their absolute difference with the target node.

• Populate the priority queue with the first k nodes from the inorder traversal.

• For each subsequent node, calculate its absolute difference with the target node and compare it with the top eleme...read more
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