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HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
HashMap allows quick access to values based on their keys
Keys must be unique and values can be duplicated
HashMap is not thread-safe and requires synchronization for concurrent access
Java's HashMap implementation uses hashing to distribute keys across buckets
I applied via Job Portal and was interviewed in Sep 2024. There were 4 interview rounds.
2 DSA question was asked
40 questions in 20 minutes
Generate all possible permutations of an array of strings
Use recursion to generate permutations
Swap elements to create different permutations
Base case: when array size is 1, return array as permutation
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
Aptitude test
Current affairs
I applied via Walk-in and was interviewed before Feb 2023. There was 1 interview round.
posted on 19 Sep 2024
I applied via Job Portal
60mintues DSA level coding exam
posted on 30 May 2021
I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.
MVC is a software architecture pattern that separates an application into three interconnected components: Model, View, and Controller.
MVC stands for Model-View-Controller
Model represents the data and business logic
View represents the user interface
Controller handles user input and updates the model and view accordingly
Partial view is a reusable view component that can be rendered within another view
It is used to reduc...
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
Used an online IDE and asked general DS Algo questions
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Saama Technologies
DISYS
Data-Core Systems
Arvato