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Crest Infosystems
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I applied via campus placement at Birla Vishvakarma Maha Vidhylaya(Sfi), V.V.Nagar and was interviewed in Jun 2024. There were 2 interview rounds.
Basic javascript questions and verbal reasoning
posted on 5 Dec 2024
I applied via Campus Placement
I applied via Campus Placement
Dsa problems dp and tress problem
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
Passionate about software engineering
Reverse array of strings
Iterate through the array and swap elements from start to end
Use two pointers, one at the beginning and one at the end, and swap elements until they meet
Reverse a given string
Use built-in functions like reverse() or loop through the string in reverse order
Create a new string and append characters from the original string in reverse order
Convert the string to an array of characters, reverse the array, and then join it back into a string
Calculate sum of all elements in a given array of strings
Iterate through the array and convert each element to integer before adding to sum
Handle edge cases like empty array or non-numeric elements
Return the final sum after iterating through all elements
Focused on Java core concepts.
Focus on basic data structures such as strings, arrays.
posted on 23 Aug 2024
I applied via campus placement at National Institute of Technology (NIT), Karnataka and was interviewed in Jul 2024. There was 1 interview round.
Question based on array string linkedlist
I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.
Coding exercise related to probability
Tech stack for real time applications includes WebSocket, Node.js, Redis, and MongoDB.
Use WebSocket for real-time communication between client and server
Node.js for server-side logic and handling multiple connections efficiently
Redis for caching and storing real-time data
MongoDB for persistent data storage and retrieval
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
posted on 7 Mar 2023
Singleton design pattern restricts the instantiation of a class to a single instance and provides global access to it.
Used when only one instance of a class is required throughout the application
Provides a global point of access to the instance
Implemented using a private constructor, static method, and static variable
Example: Logger class, Database connection class
C# LINQ queries for group and sum data from data table
Use GroupBy() method to group data based on a specific column
Use Sum() method to calculate the sum of a column
Use Select() method to select the required columns
Solid design principles are a set of guidelines for writing maintainable and scalable code.
Single Responsibility Principle (SRP) - each class should have only one responsibility
Open/Closed Principle (OCP) - classes should be open for extension but closed for modification
Liskov Substitution Principle (LSP) - subclasses should be able to replace their parent classes without affecting the program's correctness
Interface Se...
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