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Enum is a data type in programming that consists of a set of named constants.
Enums are used to define a set of named constants, making the code more readable and maintainable.
Enums can be used to represent a fixed number of possible values for a variable.
Enums can also be used to improve type safety by restricting the possible values that a variable can hold.
Example: enum Color { RED, GREEN, BLUE }
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I applied via Recruitment Consultant and was interviewed in May 2019. There were 3 interview rounds.
posted on 16 Apr 2021
I applied via Referral and was interviewed in Oct 2020. There was 1 interview round.
posted on 20 Apr 2022
I applied via Recruitment Consulltant and was interviewed before Apr 2021. There was 1 interview round.
NoSQL databases are non-relational databases that store and retrieve data in a non-tabular format.
Document-oriented databases (MongoDB, Couchbase)
Key-value stores (Redis, Riak)
Column-family stores (Cassandra, HBase)
Graph databases (Neo4j, OrientDB)
Scaling refers to the process of increasing or decreasing the capacity of a system to handle more or less load.
Vertical Scaling: Adding more resources to a single node
Horizontal Scaling: Adding more nodes to a system
Load Balancing: Distributing the load across multiple nodes
Database Sharding: Splitting a database into smaller parts to distribute the load
Caching: Storing frequently accessed data in memory for faster acc...
I applied via Approached by Company and was interviewed before Apr 2021. There were 3 interview rounds.
posted on 21 Nov 2020
posted on 21 Apr 2021
posted on 4 Jun 2021
Singleton design pattern restricts the instantiation of a class to one object.
Ensures only one instance of a class exists
Provides a global point of access to that instance
Used when only one instance of a class is needed throughout the application
Example: Database connection manager
posted on 11 Jul 2021
I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.
Angular is a popular front-end framework for building web applications.
Angular is developed and maintained by Google.
It uses TypeScript for building scalable and maintainable applications.
Angular has a powerful CLI for generating components, services, and more.
It has a large and active community with many third-party libraries and plugins available.
Angular has a modular architecture that allows for easy code reuse and ...
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