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Collection in Java is a framework that provides an architecture to store and manipulate a group of objects.
Collections are used to store, retrieve, manipulate, and communicate aggregate data.
Java Collection framework includes interfaces like List, Set, Queue, and classes like ArrayList, LinkedList, HashSet, etc.
Collections provide methods to add, remove, search, sort, iterate, and perform various operations on elements...
The static keyword in Java is applicable to methods to make them belong to the class rather than an instance of the class.
Static methods can be called without creating an instance of the class.
Static methods cannot access non-static variables or methods directly.
Static methods are commonly used for utility methods or factory methods.
Example: public static void printMessage() { System.out.println("Hello!"); }
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posted on 14 Apr 2024
Basic aptitude 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
2 questions solve on paper
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
Q.1 Pattern
1
*2*
**3**
Q. 2
write code to get sub array with max sum from given array.
posted on 8 Aug 2024
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
posted on 27 Aug 2024
I applied via Job Portal
posted on 7 Dec 2024
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
Questions on string and arrays both are moderate level questions on hacherrank type for 20 marks
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
based on 1 interview
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