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I appeared for an interview in Mar 2025, where I was asked the following questions.
Views in software development represent different ways to present data to users, enhancing user experience and interaction.
1. Model View Controller (MVC): Separates application logic, user interface, and data. Example: Ruby on Rails.
2. Model View ViewModel (MVVM): Facilitates two-way data binding. Example: WPF applications.
3. Single Page Application (SPA): Loads a single HTML page and dynamically updates content. Examp...
Optimizing Spark code involves improving performance through efficient resource usage and minimizing data shuffling.
Use DataFrames and Datasets instead of RDDs for better optimization and performance.
Leverage built-in functions for transformations instead of using UDFs, as they are optimized by Catalyst.
Persist intermediate DataFrames when reused multiple times to avoid recomputation.
Optimize data partitioning by using...
A concrete class is a class that can be instantiated, meaning it can be used to create objects.
Cannot be abstract
Can be instantiated
Can have concrete methods and properties
Example: class Car {}
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I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2020. There were 3 interview rounds.
I applied via Referral and was interviewed in Sep 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before May 2021. There were 4 interview rounds.
VERBAL QUANT DI/LR and Picture based test
I applied via Walk-in and was interviewed before Feb 2021. There were 3 interview rounds.
Handled a difficult project involving complex data migration and integration
Had to understand the existing data structure and map it to the new system
Dealt with multiple data sources and formats
Ensured data integrity and accuracy throughout the migration process
Collaborated with cross-functional teams to ensure successful integration
Implemented automated testing to validate data migration and integration
Managed project...
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