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JVM stands for Java Virtual Machine, responsible for executing Java programs. Garbage collector is a part of JVM that manages memory by reclaiming unused objects.
JVM is an abstract computing machine that enables a computer to run Java programs.
Garbage collector in JVM automatically manages memory by deallocating objects that are no longer needed.
Examples of garbage collectors in JVM include Serial, Parallel, CMS, G1, a
Kubernetes is an open-source container orchestration platform for automating deployment, scaling, and management of containerized applications.
Kubernetes helps in automating the deployment, scaling, and management of containerized applications.
It provides features like self-healing, load balancing, and storage orchestration.
Kubernetes uses declarative configuration to define the desired state of the application.
It supp...
Horizontal Pod Autoscaler (HPA) is a Kubernetes feature that automatically scales the number of pods in a deployment based on CPU or custom metrics.
HPA helps ensure optimal resource utilization by automatically adjusting the number of pods in a deployment based on resource usage.
It can be configured to scale based on CPU utilization or custom metrics like requests per second.
For example, if a deployment is experiencing...
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posted on 4 Oct 2024
OOPS concepts refer to Object-Oriented Programming concepts which include inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation...
HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
HashMap uses an array of buckets to store key-value pairs.
Each bucket can store multiple entries, handling collisions with linked lists or balanced trees.
Hashing is used to convert keys into indices in the array, allowing for fast retrieval of values.
HashMap allows for constant-time operations for basic operations li...
awk and sed are powerful text processing tools in Linux.
awk is used for pattern scanning and processing
sed is used for text stream editing
Both can be used in combination to manipulate text files
Example: awk '{print $1}' file.txt
Example: sed 's/old/new/g' file.txt
The questions were good and conceptual based.
English was also asked in the first round
paragraph questions were also there
I applied via Campus Placement and was interviewed in Mar 2023. There were 5 interview rounds.
Random Topics are assigned
Grammar test and then product video test
I applied via Referral and was interviewed in Sep 2023. There was 1 interview round.
I applied via LinkedIn and was interviewed in May 2021. There were 4 interview rounds.
I applied via Referral and was interviewed before Oct 2020. There were 3 interview rounds.
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