QuickRide Softwaretest Engineer Interview Questions and Answers

Q1. Let var const difference
Ans. 
var, let, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
• var is function-scoped and can be redeclared and reassigned

• let is block-scoped and can be reassigned but not redeclared

• const is block-scoped and cannot be reassigned or redeclared
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Q2. Polyfills of bind method
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Polyfills of bind method provide a way to use the bind method in older browsers that do not support it natively.
• Polyfill code typically checks if the bind method is available and if not, it creates a new function that mimics the behavior of bind.

• One common polyfill for the bind method is the following: Function.prototype.bind = Function.prototype.bind || function() { // polyfill code here };

• Polyfills are often used to ...read more
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Q1. Make a search bar in React
Ans. 
Create a search bar component in React for filtering data
• Create a functional component for the search bar

• Use state to store the search query

• Implement a onChange event handler to update the search query

• Filter the data based on the search query
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Q2. React js core concepts
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Q1. How you structure your work
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Q2. How you make a project from scratch
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Q1. DP related problems.
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Q2. Networking related questions
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Dsa. , oops and basics of database management

Q1. System design questions basics
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Q2. Hiring managers questions
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2 questions, Easy and medium based

Q1. Stacks queues and array questions
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Q1. Technical questions on projects
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Q1. How to tackle any uncertain situations? Behavioural questions
Ans. 
Approach uncertain situations with a structured mindset, focusing on analysis, communication, and adaptability.
• Stay calm and assess the situation: For example, during a project delay, analyze the root cause before reacting.

• Gather information: Consult with team members or stakeholders to understand different perspectives.

• Prioritize tasks: Identify what needs immediate attention and what can wait, like addressing critica...read more
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Assignment to develop a prototype

Q1. Face to face questions
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Q2. Java Question Technical & coding
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Q3. Mongodb & Mysql Question
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Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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There were 3 questions, which I had to do in 2 hours.
the questions were from arrays and Strings

Q1. They asked me concepts on OOPS and OS, also coding question on strings. all these were basic questions
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Q1. Questions such as where do you see yourself in coming years, interests and hobbies.
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Q1. Largest island (graph question)
Ans. 
Find the largest connected component in a grid representing islands using graph traversal techniques.
• Use Depth-First Search (DFS) or Breadth-First Search (BFS) to explore the grid.

• Count the size of each island by marking visited cells.

• Example: In a 2D grid, '1' represents land and '0' represents water.

• Keep track of the maximum size encountered during traversal.
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Q2. SQL question related to joins
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Q1. About the databases and questions from system design
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Q1. Questions based on concurrency , suitable databases HLD,LLD,book my show design
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Q1. Salary discussion
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