Bajaj Finserv Health Software Development Engineer II Interview Questions and Answers

There were 5 sections which included one coding question, MCQs and one question on SQL

Q1. Introduce yourself
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Q2. Two sum coding question with time and space complexity
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Q3. Strong manipulation question with time and space complexity
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Q4. What is a process and thread? (OS)
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A process is an instance of a program running on a computer, while a thread is a unit of execution within a process.
• A process has its own memory space, while threads within the same process share memory.

• Processes are independent of each other, while threads within the same process can communicate with each other more easily.

• Processes are heavyweight in terms of resource consumption, while threads are lightweight.

• Exampl...read more
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Q5. OOPS based questions on polymorphism and the others
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Q6. Why is the lid of the manhole round and not any other shape?
Ans. 
A round manhole lid cannot fall through the opening it covers, unlike other shapes.
• Round shape is the only shape that cannot fall through its own opening

• Round shape is easier to move and position compared to other shapes

• Round shape is more structurally sound and can support heavy loads evenly
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Q1. Introduce yourself
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Q2. OSI model and what are the ones that are used particularly while real software development process takes place
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The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• In real software development, layers commonly used are the Application layer, Transport layer, and sometimes the Network layer.

• For example, when developing a web applica...read more
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Q3. Favourite subject asked and questions were asked based on that.
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Q4. Will I be able to work on multiple tech stacks?
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Q1. Self introduction
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Q2. If I'm holding any other offers
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Q3. Professional background of my parents
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Q1. Oops concept and c# basic questions for freshers and sql basics
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Q2. What is .net framework
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.NET Framework is a software framework developed by Microsoft that provides a runtime environment for building and running applications.
• .NET Framework is a platform for developing and running applications on Windows.

• It includes a large library of pre-built code and a runtime environment for executing applications.

• It supports multiple programming languages such as C#, VB.NET, and F#.

• It provides features like memory mana...read more
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Q3. Stored procesure insert update syntax
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Q4. Oops questions inheritance constructors
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Q5. Joins in sql and types
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Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• There are different types of joins in SQL: inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all the rows from the left table and the matching rows from the right table.

• Right join returns all the rows from the right table and the matching ...read more
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Q1. Basic oops concepts
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Q2. Web api questions
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Q1. Java 8 Feature?
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Java 8 introduced lambda expressions, functional interfaces, streams, and default methods in interfaces.
• Lambda expressions allow you to pass functionality as an argument to a method.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to work with sequences of elements efficiently.

• Default methods allow interfaces to have methods with implementation.

• Example: (...read more
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Q2. Singeton Immutable Collections
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Q1. Microservices SQL
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Q1. Tell me about yourself and about previous organisation.
Ans. 
I am a software developer with 5 years of experience. I previously worked at XYZ Company as a full-stack developer.
• 5 years of experience in software development

• Previous role as a full-stack developer at XYZ Company

• Proficient in programming languages such as Java, Python, and JavaScript
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Q2. Basic technical questions about the framework and the specific language.
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Q1. More technical questions
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SQL and coding questions

Q1. Salary negotiation
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Q1. Check if graph is bipartite
Ans. 
A graph is bipartite if its vertices can be divided into two disjoint sets such that every edge connects a vertex from one set to another.
• Use depth-first search or breadth-first search to traverse the graph.

• Assign colors to the vertices alternatively as you traverse the graph.

• If at any point, an edge connects two vertices of the same color, the graph is not bipartite.
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It was an online assessment. Some coding questions. Some cs fundamental mcqs. SQL query, Rest Api question.

An assignment to create a game using nodejs/ go lang/ java.

Q1. Discussion related to Assignment. Told some changes and told to add some more functionalities.
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Q2. Some APIS were given. It was case study. You had to show the dishes to a customer according to his preferences.
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Q1. How does recyclerview works internally ?
Ans. 
RecyclerView is a flexible view for providing a limited window into a large data set.
• RecyclerView recycles views to improve performance and memory usage.

• It uses LayoutManager to organize items in a grid, list, or staggered grid layout.

• Adapter provides data to be displayed in RecyclerView.

• ItemDecoration can be used to add spacing between items or decorations to items.

• ItemAnimator can be used to animate item changes in t
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Q2. Android basics , Live Data , ViewModel, coroutines internal working
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