Brainvire Software Developer Intern Interview Questions and Answers

There was apti round with good apti questions and also code debugging

Q1. About polymorphism ,code polymorphism and inheritance
Ans. Coded it in cpp in notepad
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Q2. 3 apti question and also discussion on resume
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Q3. Angle between hands of clock on 10:25? Trains traveling towards eachother give speed where will they collide?
Ans. 
Angle between hands of clock at 10:25 is 147.5 degrees. Trains will collide at midpoint of their initial positions.
• To calculate angle between hands of clock, use formula: |(30*H)-(11/2)*M|

• For 10:25, H=10 and M=25, so angle = |(30*10)-(11/2)*25| = 147.5 degrees

• When two trains are traveling towards each other, their relative speed is added to get the collision speed.

• The collision point is the midpoint of their initial po...read more
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Q1. General resume based
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Q2. Strength and weakness
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Q1. There are three technical rounds one round will be tough
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Q1. They didn't ask me anything
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Q2. Will give U false promises and showoff about the company
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Q1. What is the internal working of a hashmap?
Ans. 
A hashmap is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hashmap uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when two keys hash to the same index, which is resolved using techniques like chaining or open addressing.

• Hashmap typically has an underlying array where each element is a linked...read more
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Q2. Design a Least Recently Used (LRU) cache.
Ans. 
LRU cache is a data structure that stores the most recently used items and removes the least recently used items when full.
• Use a doubly linked list to keep track of the order of items based on their usage.

• Use a hashmap to quickly access items in the cache.

• When an item is accessed, move it to the front of the linked list to mark it as the most recently used.
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Q1. What are the SOLID principles in software engineering?
Ans. 
SOLID principles are a set of five design principles in object-oriented programming to make software designs more understandable, flexible, and maintainable.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be re...read more
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Q2. What design patterns have you worked with?
Ans. 
I have worked with design patterns such as Singleton, Factory, Observer, and Strategy.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified a...read more
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Q1. Hashmap internal working
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Q2. Equals and hashcode
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Q1. Microservice design pattern
Ans. 
Microservice design pattern focuses on breaking down a large application into smaller, independent services.
• Each microservice is responsible for a specific function or feature

• Communication between microservices is typically done through APIs

• Microservices can be developed, deployed, and scaled independently

• Examples: Netflix, Amazon, Uber
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Q2. Springboot annotation
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Q1. About Self introduction and Core Functions of experiences
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Q2. Deep dive into Technologies what we have worked so far
Ans. 
I have worked with a variety of technologies including Java, Python, SQL, AWS, Docker, and Kubernetes.
• Java

• Python

• SQL

• AWS

• Docker

• Kubernetes
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Q1. Ability to handle the product
Ans. 
I have extensive experience in handling complex software products and have successfully led teams to deliver high-quality solutions.
• Led a team to successfully launch a new product feature within tight deadlines

• Managed the development of a large-scale software product from conception to release

• Collaborated with cross-functional teams to ensure product requirements were met

• Implemented agile methodologies to improve produ
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Q2. Customer or client interaction and project evaluations
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Q1. About Complete personal traits
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Q2. Compensation and Willingness
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Q1. Difference between default and props
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Q2. How do you know the dom is ready or not
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3 coding dsa question
Difficulty is On your luck
My friends got easy level
I got medium level
Some got hard questions as well

Ssh round , quant and logical
Tip: bring your calculator

Q1. Two Puzzle : bulb switching and candle
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Q2. Dsa questions such as string reverse, binary search
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Q3. Dbms and os core subject questions
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Q1. How are you better than others
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Q2. Why should we hire you
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