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I applied via Campus Placement and was interviewed in Nov 2023. There was 1 interview round.
Delete query in MongoDB removes documents from a collection based on specified criteria.
Use the 'deleteMany' method to delete multiple documents matching a filter
Use the 'deleteOne' method to delete a single document matching a filter
Specify the filter criteria to identify the documents to be deleted
Java oops concepts include inheritance, encapsulation, polymorphism, and abstraction.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Polymorphism allows objects to be treated as instances of their parent class.
Abstraction hides the implementation details and only shows the necessary features to
I applied via Campus Placement and was interviewed before Jun 2022. There were 4 interview rounds.
Basic Aptitude questions along with some technical and coding questions
I was interviewed before May 2016.
Top trending discussions
posted on 22 Sep 2023
Coding testing with 15 questions MCQ based
I applied via LinkedIn and was interviewed before Aug 2023. There were 2 interview rounds.
Online coding test with Sql and python questions
Spark context is the main entry point for Spark functionality and represents the connection to a Spark cluster.
Main entry point for Spark functionality
Represents connection to a Spark cluster
Used to create RDDs, broadcast variables, and accumulators
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
Allows for code reusability by creating a new class based on an existing class
Derived class inherits properties and behaviors of the base class
Supports the concept of polymorphism and encapsulation
Example: Class 'Car' can inherit from class 'Vehicle' and inherit its attributes like 'color' and met
SparkConfig is a configuration object used in Apache Spark to set various parameters for Spark applications.
SparkConfig is used to set properties like application name, master URL, and other Spark settings.
It is typically created using SparkConf class in Spark applications.
Example: val sparkConf = new SparkConf().setAppName("MyApp").setMaster("local")
I applied via Referral and was interviewed in Dec 2021. There were 4 interview rounds.
I applied via Job Portal and was interviewed in Apr 2021. There was 1 interview round.
I applied via Job Portal and was interviewed in Apr 2021. There was 1 interview round.
FIFO stands for First In, First Out. LIFO stands for Last In, First Out.
FIFO is a method for organizing and manipulating a data buffer, where the first element added is the first to be removed.
LIFO is a method where the last element added is the first to be removed.
FIFO is like a queue, while LIFO is like a stack.
Example: In a FIFO queue, if elements A, B, and C are added in that order, they will be removed in the same...
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