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I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
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I applied via Referral and was interviewed in Jan 2024. There were 2 interview rounds.
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, fields, and methods, while interface cannot have any of these.
A class can implement multiple interfaces but can only inherit from one abstract class.
Abstract classes are used to provide a common base for multiple classes, while interfaces are used to define a contract for ...
OOP Concepts refer to the principles of Object-Oriented Programming, including encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: The ability for objects of different classes to respond to the same message in different ways...
Database queries involve retrieving, updating, and manipulating data stored in a database.
Database queries are used to retrieve specific data from a database based on certain criteria.
Queries can also be used to update existing data or insert new data into the database.
SQL (Structured Query Language) is commonly used to write database queries.
Examples of database queries include SELECT, INSERT, UPDATE, and DELETE state
I applied via Approached by Company and was interviewed in Feb 2024. There were 3 interview rounds.
Count the number of digits in a given string
Iterate through each character in the string
Check if the character is a digit using isdigit() function
Increment a counter if the character is a digit
Return the final count of digits
Apache Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications.
Apache Kafka is designed to handle high-throughput, fault-tolerant, and scalable real-time data streams.
It allows for the publishing and subscribing to streams of records, similar to a message queue.
Kafka is often used for log aggregation, stream processing, event sourcing, and real-time analytics.
It p...
posted on 12 Aug 2021
I applied via Approached by Company and was interviewed before Aug 2020. There was 1 interview round.
Functional interface is an interface with only one abstract method. Benefits include lambda expressions and improved code readability.
Functional interface allows for the use of lambda expressions, which can simplify code and improve readability.
It also enables the use of method references, which can make code more concise.
Functional interfaces are used extensively in Java 8's Stream API.
Transaction uses include ensurin...
Different isolation levels in transactions and their purpose.
Isolation levels determine how transactions interact with each other.
READ UNCOMMITTED: Allows dirty reads, can cause phantom reads.
READ COMMITTED: Prevents dirty reads, but allows non-repeatable reads.
REPEATABLE READ: Prevents dirty and non-repeatable reads, but allows phantom reads.
SERIALIZABLE: Prevents all three types of reads, but can cause deadlock.
Purpo...
posted on 12 Aug 2023
I applied via Company Website and was interviewed before Aug 2022. There were 4 interview rounds.
Basic leet code easy-level questions
States play a crucial role in the functioning of a country's government and administration.
States are administrative divisions within a country.
They have their own governments and are responsible for managing their own affairs.
States play a key role in the federal system of government, where power is shared between the central government and the states.
They are responsible for implementing policies and programs at the ...
I applied via Approached by Company and was interviewed in May 2021. There were 3 interview rounds.
posted on 8 May 2022
I applied via Naukri.com and was interviewed before May 2021. There were 3 interview rounds.
Php
I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.
A company designed the test basically to understand the nature of the interviewee. Simple test.
posted on 1 Oct 2022
I applied via Approached by Company and was interviewed in Sep 2022. There were 3 interview rounds.
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