Add office photos
Employer?
Claim Account for FREE

Cybage

3.8
based on 1.9k Reviews
Video summary
Filter interviews by

Envea Interview Questions and Answers

Updated 27 Feb 2025
Popular Designations

Q1. What are the differences between var, let, and const in JavaScript?

Ans.

var, let, and const are used to declare variables in JavaScript with different scopes and mutability.

  • var is function-scoped and can be redeclared and updated

  • let is block-scoped and can be updated but not redeclared

  • const is block-scoped and cannot be updated or redeclared

Add your answer

Q2. How can you remove duplicate numbers from an array?

Ans.

Use a Set to remove duplicate numbers from an array of strings.

  • Create a Set from the array to automatically remove duplicates

  • Convert the Set back to an array if needed

Add your answer

Q3. 2.What is OOP explain.

Ans.

OOP stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent and manipulate data.

  • OOP focuses on creating reusable code by organizing data and behavior into objects.

  • Objects have properties (attributes) and methods (functions) that can be accessed and manipulated.

  • Inheritance allows objects to inherit properties and methods from parent objects.

  • Polymorphism allows objects to take on multiple forms and behave differently depending on the ...read more

Add your answer

Q4. 3.What is exception and error

Ans.

An exception is an unexpected event that occurs during program execution, while an error is a mistake in the code that prevents it from running.

  • Exceptions are handled using try-catch blocks

  • Errors are usually detected during compilation or runtime

  • Examples of exceptions include null pointer exceptions and arithmetic exceptions

  • Examples of errors include syntax errors and logical errors

Add your answer
Discover Envea interview dos and don'ts from real experiences

Q5. 1.explain your project using SDLC.

Ans.

My project followed the SDLC process to ensure efficient and effective software development.

  • The project started with the planning phase where we identified the requirements and goals.

  • Next, we moved on to the design phase where we created a detailed design document.

  • Then, we entered the development phase where we wrote the code and tested it.

  • After that, we moved on to the testing phase where we tested the software for bugs and errors.

  • Finally, we entered the maintenance phase wh...read more

Add your answer

Q6. Advance of Data Structure and Algorithms

Ans.

Data structures and algorithms are essential for efficient software development.

  • Data structures are used to organize and store data in a way that allows for efficient access and manipulation.

  • Algorithms are used to solve problems and perform operations on data structures.

  • Examples of data structures include arrays, linked lists, trees, and graphs.

  • Examples of algorithms include sorting, searching, and graph traversal.

  • Understanding data structures and algorithms is crucial for op...read more

Add your answer

Q7. 1.Explan your project with SDLC

Ans.

SDLC is a process used to develop software from planning to deployment.

  • SDLC stands for Software Development Life Cycle

  • It includes phases like planning, analysis, design, implementation, testing, and maintenance

  • Each phase has its own set of activities and deliverables

  • For example, in the planning phase, the project scope and requirements are defined

  • In the design phase, the software architecture and user interface are created

  • In the implementation phase, the code is written and i...read more

Add your answer

Q8. abstract class vs interface

Ans.

Abstract classes are partially implemented classes while interfaces are fully abstract classes.

  • Abstract classes can have both implemented and abstract methods while interfaces can only have abstract methods.

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

  • Abstract classes can have constructors while interfaces cannot.

  • Interfaces are used for achieving multiple inheritance in Java.

  • An abstract class can be used as a base class for other clas...read more

Add your answer
Contribute & help others!
Write a review
Share interview
Contribute salary
Add office photos

Interview Process at Envea

based on 12 interviews
4 Interview rounds
Technical Round - 1
HR Round - 1
Technical Round - 2
HR Round - 2
View more
Interview Tips & Stories
Ace your next interview with expert advice and inspiring stories

Top Software Developer Interview Questions from Similar Companies

4.0
 • 65 Interview Questions
3.7
 • 23 Interview Questions
4.0
 • 17 Interview Questions
3.9
 • 17 Interview Questions
3.9
 • 13 Interview Questions
3.7
 • 11 Interview Questions
View all
Share an Interview
Stay ahead in your career. Get AmbitionBox app
qr-code
Helping over 1 Crore job seekers every month in choosing their right fit company
70 Lakh+

Reviews

5 Lakh+

Interviews

4 Crore+

Salaries

1 Cr+

Users/Month

Contribute to help millions

Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2024 Info Edge (India) Ltd.

Follow us
  • Youtube
  • Instagram
  • LinkedIn
  • Facebook
  • Twitter