Labvantage Solutions Associate Software Engineer Interview Questions and Answers

Basic OOP questions for python programming language

Q1. What's abstraction
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows users to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency in software development

• Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
Answered by AI
Add your answer
Q2. What's the difference between SQL and NoSQL database
Ans. 
SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.

• SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.

• SQL d...read more
Answered by AI
Add your answer

Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to the last node after reversing
Answered by AI
Add your answer
Q2. Implement binary search algorithm
Ans. 
Binary search algorithm efficiently finds the target value in a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the mid index and compare the target value with the value at mid.

• If target is less than mid value, update high to mid-1; if greater, update low to mid+1.

• Repeat until target is found or low is greater than high.
Answered by AI
Add your answer

Q1. Brief Introduction and basic questions
Add your answer
Q2. Future plans and how am i going to achieve them
Add your answer

2 Leetcode Medium questions on hackerrank

Q1. Kadane algorithm based question
Add your answer
Q2. Leetcode medium
Add your answer
Q3. Resume based questions
Add your answer

Q1. Probability question math problem
Add your answer
Q2. Puzzle to solve
Add your answer
Q3. AI based question
Add your answer
Q4. 1 question to solve Leetcode medium
Add your answer

Q1. Sorting of an array
Add your answer
Q2. Bubble sorting algorithm
Add your answer

Q1. Java oops question
Add your answer

Q1. API questions related to put and patch api
Add your answer

Medium level leetcode question

Q1. Explain about your project
Ans. 
Developed a web application for managing inventory and sales for a retail store.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management

• Incorporated authentication and authorization features for secure access
Answered by AI
Add your answer
Q2. Explain functionalities in detail
Ans. 
Functionalities in software development refer to the specific tasks or actions that a software program can perform.
• Functionalities are the specific features or capabilities of a software program.

• They define what the software can do and how it can be used.

• Examples of functionalities include user authentication, data encryption, and file management.

• Functionalities can be implemented through code modules or libraries.

• Test...read more
Answered by AI
Add your answer