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OOPs concepts are fundamental principles of Object-Oriented Programming, including 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 imple...
posted on 31 Jul 2024
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
Insert and select data in MySQL using SQL queries
Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data
Use SELECT * FROM table_name; to select all data from a table
Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
GET method is used to retrieve data from a server
POST method is used to send data to a server
GET requests are idempotent, while POST requests are not
GET requests should only be used for retrieving data, not for modifying data
Example: GET request to retrieve a list of users - GET /users
Example: POST request to create a new user - POST /users
I applied via Naukri.com and was interviewed in Jun 2024. There were 2 interview rounds.
Array, String are core point for interview, html css , sql will be plus point
If stuck in the middle of an assigned task, I would follow a systematic approach to tackle it.
Analyze the problem and identify the specific issue causing the blockage
Break down the task into smaller subtasks and prioritize them
Seek help or guidance from colleagues or seniors if necessary
Research and gather relevant information or resources to overcome the obstacle
Experiment with different solutions and evaluate their e...
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I applied via Approached by Company and was interviewed before Sep 2023. There were 2 interview rounds.
It was a test to create a login page and connect to database
Interface is a contract with no implementation, while abstract class can have some implementation.
Interface cannot have any implementation, only method signatures
Abstract class can have both abstract methods and concrete methods
A class can implement multiple interfaces but can only inherit from one abstract class
Interfaces are used to achieve multiple inheritance in Java
Main concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the nec...
posted on 5 Feb 2021
I applied via Naukri.com and was interviewed before Feb 2020. There was 1 interview round.
posted on 9 Feb 2021
I applied via Company Website and was interviewed in Jan 2021. There was 1 interview round.
I know Python, R, SQL, and Java.
Python
R
SQL
Java
posted on 12 Dec 2023
I applied via Approached by Company and was interviewed in Nov 2023. There were 4 interview rounds.
They send an mail which have the link about assessment test
In hall all are discussed and written an interview test
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
posted on 17 Jul 2024
I applied via Naukri.com and was interviewed in Jun 2024. There were 2 interview rounds.
Normal question of reasoning and maths
Sorting arraylist , sorted map
based on 1 interview experience
based on 65 reviews
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