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Object-oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
OOPs stands for Object-Oriented Programming
The four pillars of OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism
Inheritance allows a class to inherit properties and behavior from another class
Encapsulation is the bundling of data with the methods that operate on that data
Abstraction is...
Exceptions are used to handle unexpected errors in code. They help in maintaining the flow of the program by catching and handling errors.
Exceptions are used to handle runtime errors that occur during the execution of a program.
They help in maintaining the flow of the program by catching and handling errors, preventing the program from crashing.
Exception handling involves using try, catch, and finally blocks to handle ...
List is an ordered collection of elements with duplicates allowed, while set is an unordered collection of unique elements.
List maintains the order of elements, while set does not guarantee any specific order.
List allows duplicate elements, while set does not allow duplicates.
List is typically implemented using arrays or linked lists, while set is implemented using hash tables or trees.
Example: List - [1, 2, 3, 1], Set
Servlet life cycle includes initialization, service, and destruction phases.
Initialization phase: servlet is loaded, instantiated, and initialized.
Service phase: servlet handles client requests and generates responses.
Destruction phase: servlet is removed from service and garbage collected.
Example: init() method is called during initialization phase.
1)Create employee class and find those employee name who have got saley less than 1000 using java 8.
Find second highest salary in employee table in sql
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posted on 27 Jun 2023
I applied via Company Website and was interviewed in May 2023. There were 3 interview rounds.
30 min test on simple google form
Half hour conding round on basic javascript questions
One hour coding round on little bit intermediate javascript questions
posted on 26 Mar 2024
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
posted on 19 Nov 2021
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
Check if a number is prime and optimize the code.
Start by checking if the number is less than 2, in which case it is not prime.
Iterate from 2 to the square root of the number and check if any of them divide the number evenly.
If a divisor is found, the number is not prime. Otherwise, it is prime.
To optimise API calls in React, use asynchronous functions and caching techniques.
Use async/await to handle API calls
Implement caching to reduce network requests
Use memoization to avoid unnecessary re-renders
Consider using a state management library like Redux
Use performance profiling tools like React DevTools
posted on 9 Feb 2022
I applied via Campus Placement
Online Coding Test included some aptitude questions, technical questions followed by 3 coding questions
posted on 11 Feb 2022
I applied via Campus Placement and was interviewed in Aug 2021. There were 4 interview rounds.
1st test was aptitude and a easy coding test
The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question
posted on 27 Aug 2024
I applied via Job Portal
posted on 12 Sep 2023
I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.
Advanced JS, PHP related questions
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