GrapplTech Software Developer Intern Interview Questions and Answers

Based on JavaScript and Java.

A task based on JavaScript.

Take home assessment to build an OTP generating service

URL parser for websites

Q1. Interview with Product owner
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Q1. Interview with hiring manager
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Q1. What strategies would you use to optimize a React application?
Ans. 
Optimizing a React application involves code splitting, lazy loading, minimizing bundle size, using memoization, and optimizing rendering performance.
• Implement code splitting to load only necessary code for each route or component.

• Utilize lazy loading to defer loading of non-essential components until they are needed.

• Minimize bundle size by removing unused dependencies, using tree shaking, and optimizing images and ass...read more
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Q2. What are hooks, and what are the different types of hooks?
Ans. 
Hooks are functions that allow developers to use state and other React features in functional components.
• Hooks are introduced in React 16.8 to allow state and other React features in functional components.

• There are different types of hooks like useState, useEffect, useContext, useReducer, etc.

• useState hook is used to add state to functional components.

• useEffect hook is used to perform side effects in functional compone...read more
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Q1. Tell me about your certifications on Cloud
Ans. 
I am certified in AWS Certified Solutions Architect - Associate and Google Cloud Certified - Professional Cloud Architect.
• Certified in AWS Certified Solutions Architect - Associate

• Certified in Google Cloud Certified - Professional Cloud Architect
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Q1. Desing API endpoints
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Q2. SQL queries test
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Q3. Basic and intermediate level questions on C#
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Questions about projects, DI in ASP.NET Core, React Element Tree

Section 1. 10 questions aptitude
section 2. 10 oops questions based on c++
section 3. comprehension
section 4. 10 questions English grammar

One coding question. it's like two lines of question, understand the question and write the code using any programming language.

Q1. General technical questions
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Q1. General resume based questions.
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Q1. Find the second most occurrence if string in JavaScript
Ans. 
Find the second most occurrence of a string in an array of strings in JavaScript.
• Create a map to store the count of each string in the array

• Sort the map by values in descending order to find the most occurrence

• Return the key of the second element in the sorted map
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Basic Maths related questions which are moderate