Soliton Technologies Front end Developer Interview Questions and Answers

Round duration - 360 minutes
Round difficulty - Medium

Basically TCS conduct its flagship event named as CODEVITA . And it offers Internship to prefinal (3rd )year students .

Q1. 
Allocate Books Problem Statement
Given an array of integers arr, where arr[i] represents the number of pages in the i-th book, and an integer m representing the number of students, allocate all the books ...read more
Ans. 
Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.
• Iterate through possible allocations and calculate the maximum pages assigned to a student.

• Find the minimum of these maximums to get the optimal allocation.

• Return the minimum pages allocated in each test case, or -1 if not possible.
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Q1. Based on Angular
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Q2. Based on Html, CSS, Javascript
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2 coding problem of array and another of stack

Q1. What is callback hell
Ans. 
Callback hell is a situation in asynchronous programming where multiple nested callbacks make the code difficult to read and maintain.
• Callback hell occurs when there are multiple levels of nested callbacks in asynchronous code.

• It makes the code difficult to understand, debug, and maintain.

• Promises and async/await are solutions to avoid callback hell.

• Example: nested callbacks in JavaScript AJAX requests.
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Q2. What is the difference between props and state
Ans. 
Props are used to pass data from a parent component to a child component, while state is used to manage data within a component.
• Props are read-only and cannot be modified by the child component

• State is mutable and can be updated using setState()

• Props are passed down from parent to child components

• State is managed within a component and can be changed based on user interactions or other events
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Q1. Angular lifecycle hooks
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Q2. JS interview questions
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Recurrsion tree implementation with angular

It was quit well and easy based on alphabtical or programming based questions

2 3 coding questions on patterend question

Future of ai in 2025

Front-end development. Projects on react js and reduc

Based on js questions and react