Anonymous Digital Interview Questions and Answers

Q1. What is class loader
Ans. 
Class loader is a part of the Java Runtime Environment that dynamically loads Java classes into the Java Virtual Machine.
• Responsible for loading Java classes into memory

• Can be customized to load classes from different sources like network or database

• Follows delegation hierarchy to load classes
Answered by AI
Add your answer
Q2. Explain the continuous and contiguous memory allocation
Ans. 
Continuous memory allocation refers to allocating memory in a sequential manner, while contiguous memory allocation refers to allocating memory in a single block without any gaps.
• Continuous memory allocation involves allocating memory addresses in a sequential order without any gaps.

• Contiguous memory allocation involves allocating memory in a single block without any fragmentation.

• Example of continuous memory allocatio...read more
Answered by AI
Add your answer

Q1. About resume details
Add your answer
Q2. About past work experience details
Add your answer

Q1. SQL questions on removing duplicates, Joins
Add your answer

Tech assignement to perform crud operations using external api

Q1. What are hooks in react?
Ans. 
Hooks in React are functions that let you use state and other React features without writing a class.
• Hooks were introduced in React 16.8.

• They allow you to use state and other React features in functional components.

• Some built-in hooks include useState, useEffect, useContext, etc.
Answered by AI
Add your answer
Q2. How do you use useEffect hook?
Ans. 
useEffect hook is used in React to perform side effects in function components.
• Use useEffect hook to perform side effects in function components.

• Pass a function as the first argument to useEffect to specify the side effect.

• Pass an array of dependencies as the second argument to control when the side effect runs.

• Use useEffect with an empty dependency array to run the effect only once on component mount.
Answered by AI
Add your answer