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Insolutions Global
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Oops concept, spring framework, java core
OOPs concepts refer to Object-Oriented Programming principles such as 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 det
Hibernate is an ORM tool that simplifies database interactions in Java applications.
Hibernate configuration involves setting up database connection details in hibernate.cfg.xml
Entities are mapped to database tables using annotations or XML mapping files
SessionFactory is created to obtain Session objects for database operations
Transactions are managed using Session object to ensure data consistency
Example: Entity class ...
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 2 interview rounds.
Constructors are special methods used to initialize objects, while methods are functions that perform specific tasks in a class.
Constructors are called when an object is created, while methods are called to perform actions on objects.
Constructors have the same name as the class and do not have a return type, while methods have a different name and can have a return type.
Constructors are used to set initial values for o...
Basics aptitude
Insolutions Global interview questions for designations
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
Map is a built-in function in many programming languages that allows you to transform data from one form to another.
Map applies a function to each element in an array and returns a new array with the transformed elements.
It can also be used with other data structures like objects and sets.
Internally, map uses a loop to iterate over each element in the array and applies the provided function to it.
The transformed elemen...
Difference between save and persist in Hibernate
Save method returns the generated ID immediately while persist method returns void
Save method can be called outside of a transaction while persist method must be called within a transaction
Save method can be used with detached objects while persist method cannot
Save method can be used with transient objects while persist method cannot
I applied via Company Website and was interviewed before Dec 2020. There was 1 interview round.
Top trending discussions
I applied via Job Portal
React lifecycle functions are methods that are automatically called at specific points in a component's life cycle.
Mounting: constructor, render, componentDidMount
Updating: render, componentDidUpdate
Unmounting: componentWillUnmount
Padding is the space inside the border of an element, while margin is the space outside the border.
Padding is used to create space between the content and the border of an element.
Margin is used to create space between the border of an element and other elements.
Padding affects the size of the content area, while margin affects the positioning of the element.
Example: padding: 10px will create 10 pixels of space inside ...
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
Testing an payment flow on the application
based on 4 interviews
1 Interview rounds
based on 62 reviews
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