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I was interviewed before Feb 2024.
HackerRank test on data structures and algorithms.
LinkedList, Stack questions were asked , Deteck loop , Balanced Parenthesis
I was interviewed before Oct 2022.
Testing logic.
Good questions.
OOPS concepts are fundamental principles in object-oriented programming.
Encapsulation: bundling data and methods that operate on the data into a single unit (class)
Inheritance: allows a class to inherit properties and behavior from another class
Polymorphism: ability for objects to be treated as instances of their parent class or their own class
Abstraction: hiding the complex implementation details and showing only the
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posted on 17 Dec 2024
posted on 11 Jan 2025
Medium leetcode question on array list
I applied via LinkedIn and was interviewed in Oct 2024. There were 5 interview rounds.
Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
1 coding question based on DP for 25 minutes and 30 MCQs on Java , OOPS and code snippet questions also some basic questions based on trees like number of leaf nodes in a complete binary tree with n nodes.
Code to find palindrome of a string
Iterate through the string from both ends and compare characters
Use two pointers, one starting from the beginning and one from the end
If characters at both pointers match, continue checking until they meet in the middle
If all characters match, the string is a palindrome
Dynamic memory allocation in Java refers to the process of allocating memory for objects at runtime.
Dynamic memory allocation allows for objects to be created and destroyed during program execution.
The 'new' keyword is used to dynamically allocate memory for objects in Java.
Dynamic memory allocation helps in managing memory efficiently by allocating memory only when needed.
Example: int[] arr = new int[5]; dynamically a
I would choose a relational database like MySQL and implement a custom authentication system using session management.
Choose a relational database like MySQL for storing user data, product information, and orders.
Implement a custom authentication system using session management to securely authenticate users without JWT or third-party services.
Use encryption techniques to store and validate user passwords securely.
Util...
posted on 23 Apr 2024
I applied via Company Website and was interviewed in Mar 2024. There were 4 interview rounds.
Iterate through each character in the array of strings and keep track of the frequency of each character. Return the character with the maximum frequency.
Create a dictionary to store the frequency of each character
Iterate through each string in the array and then through each character in the string
Update the frequency count of each character in the dictionary
Return the character with the maximum frequency
Yes, I have experience with Junit, SQL and NoSQL databases, Kafka, Dockerization, Java 8 features, stream() operations, and shell scripting in Unix.
I have used Junit for unit testing in Java projects.
SQL databases are relational databases that use structured query language for data manipulation, while NoSQL databases are non-relational databases that provide flexible schema design and horizontal scalability.
I have work...
The most complex SQL query involved nested queries for data manipulation. Used inner join. Implemented hashset and avoided trees due to their drawbacks.
Nested SQL query used for complex data manipulation
Inner join used for combining data from multiple tables
Implemented hashset for efficient data storage and retrieval
Avoided trees due to their drawbacks such as unbalanced structure and slower traversal times
Shell scripting for find and replace, adding index to lines, multithreading, hashmap vs hashtable, stack vs queue
Use sed command for find and replace in shell scripting
Use awk command to add an index at the beginning of each line in a file
Multithreading is the ability of a CPU to execute multiple threads concurrently
Single threaded means only one thread is executed at a time, while multithreaded allows multiple threads...
posted on 24 Jun 2024
I applied via Approached by Company and was interviewed in May 2024. There were 4 interview rounds.
Basic array and vectors DSA questions
I applied via LinkedIn and was interviewed in Aug 2024. There were 2 interview rounds.
I am currently working on developing a web application for a client in the e-commerce industry.
Developing front-end using React.js and back-end using Node.js
Implementing payment gateway integration for seamless transactions
Optimizing website performance for better user experience
The current design of the project is a microservices architecture with a front-end built using React and a back-end using Node.js.
Microservices architecture is used for scalability and flexibility
Front-end is developed using React for a dynamic user interface
Back-end is built with Node.js for server-side logic
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