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Hearzap Full Stack Developer Interview Questions, Process, and Tips
Top Hearzap Full Stack Developer Interview Questions and Answers
- Q1. what is the difference between put and patch
- Q2. React Hooks and examples, usecases of useEffect and useState
- Q3. What is Virtual DOM. Deep Explanation.
Hearzap Full Stack Developer Interview Experiences
2 interviews found
Anonymous
I applied via Indeed and was interviewed in Sep 2024. There was 1 interview round.
(5 Questions)
- Q1. Tell me about yourself
- Ans.
I am a Full Stack Developer with a passion for creating innovative web applications and solving complex problems.
Experienced in both front-end and back-end development
Proficient in languages such as JavaScript, HTML, CSS, and frameworks like React and Node.js
Strong problem-solving skills and ability to work in a team environment
Previous projects include e-commerce websites, social media platforms, and data visualizatio
- Q2. Flattened LinkedList (hard)
- Q3. JavaScript Hoisting concept
- Q4. React Hooks and examples, usecases of useEffect and useState
- Ans.
React Hooks are a feature that allows functional components to have state and lifecycle methods.
useState is used to manage state in functional components
useEffect is used to perform side effects in functional components
useState example: const [count, setCount] = useState(0)
useEffect example: useEffect(() => { console.log('Component did mount') }, [])
- Q5. What is Virtual DOM. Deep Explanation.
- Ans.
Virtual DOM is a lightweight copy of the actual DOM, used for efficient updates in web development.
Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.
When changes are made to the Virtual DOM, it is compared to the actual DOM and only the differences are updated.
This process reduces the number of expensive DOM operations, resulting in faster rendering and
Interview Preparation Tips
Skills evaluated in this interview
(5 Questions)
- Q1. Balance the paranthasis in stack
- Ans.
To balance the parentheses in a stack, use a stack data structure to keep track of opening and closing parentheses.
Use a stack to push opening parentheses and pop when encountering a closing parenthesis
Check if the stack is empty at the end to ensure all parentheses are balanced
- Q2. Arrays questions
- Q3. How to use the useEffect in react
- Ans.
useEffect is a hook in React that allows you to perform side effects in function components.
useEffect is used to perform side effects in function components
It takes two arguments: a function and an optional array of dependencies
The function inside useEffect will run after every render, unless specified otherwise in the dependencies array
Common use cases include fetching data, subscribing to events, and updating the DOM
- Q4. What is the difference between put and patch
- Ans.
PUT is used to update or replace an entire resource, while PATCH is used to update or modify a part of a resource.
PUT is idempotent, meaning multiple identical requests will have the same effect as a single request
PATCH is not idempotent, meaning multiple identical requests may have different effects
PUT requires the client to send the entire updated resource, while PATCH only requires the client to send the specific ch
- Q5. Introduce about your self
- Ans.
I am a full stack developer with experience in front-end and back-end technologies.
Proficient in HTML, CSS, JavaScript, Node.js, and React
Skilled in database management with SQL and MongoDB
Experience with version control systems like Git
Strong problem-solving and communication skills
Skills evaluated in this interview
Interview questions from similar companies
Selected
I applied via Naukri.com and was interviewed in Dec 2024. There were 3 interview rounds.
(1 Question)
- Q1. Do you have an internship opportunity for a Full-stack Developer(Fresher)?
(1 Question)
- Q1. Is the internship for a full-stack developer paid?
(1 Question)
- Q1. How many years is the internship for a full-stack Developer?
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Javascript questions were mainly there like closures , currying Objects and promises , then they started with React
- Q2. In react they asked about hooks, difference between props and state, version , useMemo , axios working , microservices
(2 Questions)
- Q1. Why do u want to join us , u already holding an offer
- Ans.
I am drawn to your company's innovative projects and collaborative work environment.
I am impressed by the cutting-edge technologies and projects your company is working on.
I value the opportunity to work in a collaborative and supportive team environment.
I believe that joining your company will provide me with the chance to further develop my skills and contribute meaningfully to impactful projects.
- Q2. How do u prioritize your task
- Ans.
I prioritize tasks based on deadlines, importance, and dependencies.
I create a list of all tasks and categorize them based on deadlines.
I identify tasks that are critical to the project's success and prioritize them accordingly.
I consider dependencies between tasks and prioritize those that are dependent on others being completed first.
I regularly reassess priorities and adjust as needed based on changing circumstances...
Karthika Ravichandran
(2 Questions)
- Q1. What challeges you have face in your project
- Q2. What challenges u have faced in your projecg
I applied via Company Website and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Write program using stream API
- Q2. Create Immutable class
I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Abstract and interface difference
- Ans.
Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
Abstract classes can have constructors, fields, and non-abstract methods.
Interfaces can only have abstract methods and constants.
A class can implement multiple interfaces but can only inherit from one abstract class.
- Q2. Multiple inheritance
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a Full Stack Developer with experience in front-end and back-end technologies, passionate about creating innovative solutions.
Experienced in HTML, CSS, JavaScript for front-end development
Proficient in Node.js, Express, MongoDB for back-end development
Skilled in creating responsive and user-friendly web applications
Strong problem-solving and communication skills
- Q2. Package discussion
I applied via LinkedIn and was interviewed in Jun 2024. There were 3 interview rounds.
There is 30 aptitude test
There 2 coding problems
(3 Questions)
- Q1. Describe Oops concepts in java
- Ans.
Oops concepts in Java are fundamental principles of object-oriented programming such as Inheritance, Polymorphism, Encapsulation, and Abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Ability of an object to take on multiple forms.
Encapsulation: Wrapping data and methods into a single unit.
Abstraction: Hiding the implementation details and showing only the neces
- Q2. And some questions on the language
- Q3. About the project u have done
Skills evaluated in this interview
I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.
(2 Questions)
- Q1. I can understand English
- Q2. Read and write
Speak in english and work
(2 Questions)
- Q1. Ask me questions
- Q2. I will understand and tell the answer
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
Regarding To My Full Stack
Regarding To My Full Stack
(2 Questions)
- Q1. What Is Python And Discuss With Some Questions
- Q2. In that Case Studies
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