Adiverse Technologies Front end Developer Interview Questions and Answers

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Q1. Controlled and Un Controlled components
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Q2. Hooks in functional components
Ans. 
Hooks are functions that let you use state and other React features in functional components.
• Hooks were introduced in React 16.8.

• useState() hook is used to add state to functional components.

• useEffect() hook is used for side effects in functional components.

• Custom hooks can be created to reuse logic across components.
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Developing features of Shopping Cart page like add to cart,remove from cart

Q1. How to comment in javascript
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Comments in JavaScript are used to explain the code and are not executed by the browser.
• Use // for single line comments

• Use /* */ for multi-line comments

• Comments help other developers understand your code
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Q2. Write code of async-await
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Async-await is a feature in JavaScript that allows for asynchronous programming using promises.
• Use the 'async' keyword before a function to make it asynchronous

• Use the 'await' keyword inside an async function to wait for a promise to resolve

• Async-await simplifies asynchronous code and makes it easier to read and maintain
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Q1. Defined your self to about your aducation and
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Q2. What is computer in your language
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A computer is an electronic device that can perform various tasks by executing instructions given to it.
• A computer is made up of hardware components such as CPU, memory, and storage devices.

• It runs on an operating system and software applications.

• Computers can be used for various purposes such as communication, entertainment, and work.

• Examples of computers include desktops, laptops, tablets, and smartphones.
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Q3. What about html What is the you html in frontend
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HTML is the standard markup language for creating web pages and applications.
• HTML stands for HyperText Markup Language

• It is used to structure content on the web

• HTML elements are used to define the different parts of a webpage

• Examples include <h1> for headings, <p> for paragraphs, and <img> for images
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Q1. How you can improve performance in Angular App
Ans. 
Improving performance in Angular app involves optimizing code, reducing HTTP requests, lazy loading modules, and using AOT compilation.
• Optimize code by avoiding unnecessary watchers and using track by in ngFor loops

• Reduce HTTP requests by combining multiple requests into one using HTTP interceptors

• Lazy load modules to only load components when needed, improving initial load time

• Use Ahead-of-Time (AOT) compilation to pr
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Q1. Is multiple inheritance supported in Java
Ans. 
No, Java does not support multiple inheritance.
• Java only supports single inheritance through classes.

• However, multiple inheritance can be achieved through interfaces.

• Diamond problem can be avoided in interfaces by implementing default methods.

• Example: class A extends B implements C, D {}
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Q2. No, it is supported through interfaces only .
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