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Hearzap Interview Questions, Process, and Tips
Top Hearzap Interview Questions and Answers
- Q1. what is the difference between put and patchasked in Full Stack Developer interview
- Q2. React Hooks and examples, usecases of useEffect and useStateasked in Full Stack Developer interview
- Q3. What is Virtual DOM. Deep Explanation.asked in Full Stack Developer interview
Hearzap 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
Full Stack Developer Interview Questions asked at other Companies
(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
Full Stack Developer Interview Questions asked at other Companies
Interview questions from similar companies
(2 Questions)
- Q1. Tell me about yourself.
- Q2. I am JaiMangal I live in sirsa haryana
Interview Preparation Tips
Sirsa haryana
I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Html, css, java
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before Sep 2022. There were 3 interview rounds.
Performed well. Pretty much easy for me.
(5 Questions)
- Q1. Tell me about yourself
- Q2. Why do we hire you ?
- Q3. What is your strength
- Q4. What is your weakness
- Q5. When will you join
Interview Preparation Tips
veeragoni anitha
Selected
I applied via Naukri.com and was interviewed before Dec 2023. There were 4 interview rounds.
(2 Questions)
- Q1. What is angular js
- Ans.
AngularJS is a JavaScript-based open-source front-end web framework mainly maintained by Google.
AngularJS is used for building dynamic web applications.
It allows for the creation of single-page applications.
AngularJS extends HTML with new attributes called directives.
- Q2. What is the use of async pipe
- Ans.
Async pipe is used in Angular to subscribe to an Observable or Promise and automatically manage the subscription.
It simplifies the process of subscribing to and unsubscribing from asynchronous data streams in Angular templates.
It automatically subscribes to an Observable or Promise in the template and unsubscribes when the component is destroyed.
It can be used with *ngFor to iterate over an Observable array and automat
Merge the array values and how the authentication works
Create the website with responsive
(1 Question)
- Q1. Discussion about salary part
I applied via Referral and was interviewed in Jun 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. You have to design a login screen and in that login screen, the user has to enter his username and password. What will be your approach to design this screen and authenticate the user?
- Ans. There will be one label for username and a textbox for the same and one label for password and a textbox for the same. Now, I will take the input in these textboxes and store their values in the required string variables. I will then pass these variables as a parameter value in some stored procedure and in that stored procedure, we will check. Now, it is a good practice to not store passwords as they are but we should ...
Interview Preparation Tips
I sure my best qualitys in work
Same way to problem sloveing
Convey statment clear and good
(2 Questions)
- Q1. Interview date?
- Q2. How many rounds in interview
Interview Preparation Tips
30 minutes tech round on Java
(2 Questions)
- Q1. What are properties of java?
- Ans.
Java properties include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Allows bundling of data and methods that operate on the data within a single unit.
Inheritance: Enables a class to inherit properties and behavior from another class.
Polymorphism: Allows objects to be treated as instances of their parent class.
Abstraction: Hides the implementation details and only shows the necessary feature
- Q2. What is method overloading?
- Ans.
Method overloading is the ability to define multiple methods with the same name but different parameters in a class.
Allows multiple methods with the same name but different parameters
Parameters can be different in number, type, or order
Helps improve code readability and maintainability
Example: void print(int num) and void print(String text) in a class
Skills evaluated in this interview
ABC XYZ
Selected
I applied via Company Website and was interviewed before Jun 2023. There were 2 interview rounds.
Some basic dsa like strings palindrome
(2 Questions)
- Q1. Tell me about project
- Ans.
Developed a web application for managing inventory and sales for a retail store.
Used React for front-end development
Implemented Node.js for back-end functionality
Utilized MongoDB for database management
- Q2. Why Java vs C++
- Ans.
Java is preferred for its platform independence, strong community support, and ease of use compared to C++.
Java is platform independent, meaning code written in Java can run on any device with a Java Virtual Machine (JVM). C++, on the other hand, is platform dependent.
Java has a larger and more active community compared to C++, providing developers with more resources, libraries, and support.
Java is considered easier t...
Skills evaluated in this interview
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