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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 was interviewed before Sep 2020.
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.
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