CropIn Technology Solutions Software Developer Intern Interview Questions and Answers

Q1. Oops? .net core features
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2 hour basic development aptitude question

Q1. Introduce your self
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Q2. How should i hire you
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Create an API using Notepad to check if a string is a palindrome or not.

Q1. Solid principal
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Q1. Angular pipes, customization in angular
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Q2. CDN, SSR, SSG questions
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Find duplicates in an array

Java, spring,springboot

Q1. Explain basics of c#
Ans. 
C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.
• C# is an object-oriented language with features like classes, inheritance, and polymorphism.

• It is strongly typed, meaning variables must be declared with a specific data type.

• C# supports modern programming concepts like async/await for asynchronous programming.

• It is commonly used for developing desktop, w...read more
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Q2. C# basics oops sql server
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It was a Basic Aptitude Test

We were asked to do Sorting, SQL queries (join)

Q1. Can you tell me about yourself?
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies such as Java, JavaScript, and SQL
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Round duration - 60 Minutes
Round difficulty - Easy

The platform was HackerEarth time duration was 1 hour.
2 Coding questions were asked, 30 minutes for each were allotted.

Q1. 
Longest Substring Without Repeating Characters Problem Statement
Given a string S of length L, determine the length of the longest substring that contains no repeating characters.
Example:
Input:
"abac...read more
Ans. 
Find the length of the longest substring without repeating characters in a given string.
• Use a sliding window approach to keep track of the longest substring without repeating characters.

• Use a hashmap to store the index of each character in the string.

• Update the start index of the window when a repeating character is encountered.

• Calculate the maximum length of the substring as you iterate through the string.

• Return the m
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Q2. 
Triplets with Given Sum Problem
Given an array or list ARR consisting of N integers, your task is to identify all distinct triplets within the array that sum up to a specified number K.
Explanation:
A t...read more
Ans. 
Identify all distinct triplets within an array that sum up to a specified number.
• Iterate through the array and use nested loops to find all possible triplets.

• Use a set to store unique triplets and check if the sum equals the target sum.

• Handle edge cases like duplicate elements and no valid triplets.

• Time complexity can be optimized using sorting and two-pointer technique.
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Round duration - 120 Minutes
Round difficulty - Hard

This was a 2 hours round, with the following problem statement. At the end of the allotted time you had give a demo and explain your implementation.

Round duration - 45 Minutes
Round difficulty - Medium

The platform was Zoom, time duration was 45 mins. Started with Tell me something about yourself. I told them, that I like solving algorithms and real life problems.

Round duration - 20 Minutes
Round difficulty - Easy

Interviewer was very friendly. Asked few questions about myself and then asked questions about what I know about the company.