ValueLabs Infrastructure Engineer Interview Questions and Answers

Q1. Java SE and spring boot related questions. Questions on streams and polymorphism
Add your answer

Q1. What are your salary expectations?
Add your answer
Q2. Tell me about yourself.
Add your answer

Q1. Core Java Related questions
Add your answer
Q2. Difference between abstract class and interface
Ans. 
Abstract class can have implementation while interface only has method signatures.
• Abstract class can have constructors while interface cannot.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract class can have non-public members while interface only has public members.

• Abstract class is used for creating a base class while interface is used for implementing a contract.

• Example o...read more
Answered by AI
Add your answer
Q3. Spring auto-wiring and DI
Add your answer
Q4. Transaction Management in Hibernate/JPA
Ans. 
Transaction management in Hibernate/JPA
• Hibernate/JPA provides transaction management support through the EntityManager API

• Transactions can be managed programmatically or declaratively using annotations

• The @Transactional annotation can be used to mark a method as transactional

• Hibernate/JPA supports different transaction isolation levels and propagation behaviors

• Rollback can be triggered programmatically or automatically
Answered by AI
Add your answer
Q5. Unit testing, CI/CD, Git
Add your answer

Q1. Simple questions related to SDLC
Add your answer
Q2. Advantages of Agile over waterfall model
Ans. 
Agile allows for flexibility, collaboration, and faster delivery compared to the rigid and sequential waterfall model.
• Agile emphasizes on continuous feedback and improvement

• Agile allows for changes to be made throughout the development process

• Agile promotes collaboration and communication among team members

• Agile enables faster delivery of working software

• Waterfall model is rigid and sequential, making it difficult to m...read more
Answered by AI
Add your answer

Q1. What are your salary expectations?
Add your answer
Q2. What is your family background?
Add your answer
Q3. Why should we hire you?
Add your answer
Q4. Why are you looking for a change?
Add your answer

Q1. Basics of ECE Branch topics. C/C++ Basic questions.
Add your answer
Q2. Modulation and types What are pointers? What is a function? What is OOPS? Factorial using recursion program.
Ans. 
Technical questions related to programming concepts and recursion
• Pointers are variables that store the memory address of another variable

• Functions are blocks of code that perform a specific task

• OOPS is a programming paradigm that uses objects to represent real-world entities

• Factorial using recursion: int factorial(int n) { if(n==0) return 1; else return n*factorial(n-1); }
Answered by AI
Add your answer

Q1. Technically interview about JavaScript, angular and html/css
Add your answer

One program on JavaScript with basic medium and high complexity level

Q1. Experience on different work environment
Add your answer
Q2. Reason for change the current organisation
Add your answer