Pagarbook Sde1 Interview Questions and Answers

It was a live coding round where expectation was to come up with a framework in Java from Scratch

Q1. It was a DS/Algo Round
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Q1. Design Round in HLD
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Design Round in HLD involves creating a high-level design for a software system.
• Identify the main components of the system and their interactions

• Define the architecture of the system including layers, modules, and interfaces

• Consider scalability, performance, security, and maintainability

• Use UML diagrams like class diagrams, sequence diagrams, and component diagrams

• Document the design decisions and rationale
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There were 3 questions, which I had to do in 2 hours.
the questions were from arrays and Strings

Q1. They asked me concepts on OOPS and OS, also coding question on strings. all these were basic questions
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Q1. Questions such as where do you see yourself in coming years, interests and hobbies.
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2 questions, Easy and medium based

Q1. Stacks queues and array questions
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Q1. Technical questions on projects
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Q1. How to tackle any uncertain situations? Behavioural questions
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It was time based task and was very well instructed it consisted questions for all in one like apti related to sales and excel all in one go.

Q1. My first question after my introduction was about b2b and b2c marketing
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Q2. It was about what i understand by lead genration
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Assignment to develop a prototype

Q1. Face to face questions
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Q2. Java Question Technical & coding
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Q3. Mongodb & Mysql Question
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Q1. Architecture of current project
Ans. 
The current project follows a microservices architecture with Docker containers for scalability and flexibility.
• Microservices architecture is used to break down the application into smaller, independent services that can be developed, deployed, and scaled independently.

• Docker containers are utilized for packaging the application and its dependencies into a standardized unit for easy deployment and management.

• Service di...read more
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Q2. Spring and Hibernate questions
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Basic coding questions

Q1. Lazy loading in react
Ans. 
Lazy loading in React is a technique used to improve performance by loading components only when they are needed.
• Lazy loading helps reduce initial load time by splitting the code into smaller chunks.

• React.lazy() and Suspense are commonly used for lazy loading in React.

• Lazy loading is especially useful for large applications with many components.
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Q2. Cache bursting
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Q3. Difference between == and ===
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The difference between == and === is that == checks for equality after type coercion, while === checks for equality without type coercion.
• == is a loose equality operator that performs type coercion before comparing two values.

• === is a strict equality operator that does not perform type coercion before comparing two values.

• Example: 1 == '1' will return true, but 1 === '1' will return false.
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Q1. Largest island (graph question)
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Q2. SQL question related to joins
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Q1. About the databases and questions from system design
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Q1. Questions based on concurrency , suitable databases HLD,LLD,book my show design
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Q1. Salary discussion
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