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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
posted on 11 Oct 2020
I applied via Naukri.com and was interviewed in Sep 2020. There were 5 interview rounds.
I applied via Campus Placement
I applied via Referral
My biggest achievement till date is successfully leading a team to develop and launch a new software product ahead of schedule.
Led a team of developers to create a new software product
Completed the project ahead of schedule
Received positive feedback from clients and stakeholders
I would address conflicts directly and respectfully, seeking to understand the root cause and find a mutually beneficial solution.
Listen actively to understand the other person's perspective
Communicate clearly and respectfully
Identify the root cause of the conflict
Brainstorm potential solutions together
Be willing to compromise and find a mutually beneficial solution
Success is achieving personal goals, feeling fulfilled, and making a positive impact.
Success is subjective and can vary from person to person.
It involves setting and achieving goals, both short-term and long-term.
Feeling fulfilled and content with one's accomplishments is a key aspect of success.
Making a positive impact on others or the world can also be a measure of success.
Success is not just about material wealth or...
Dijkstra's algorithm finds the shortest path between nodes in a graph.
Create a graph with nodes and edges
Assign a tentative distance to each node
Set the initial node as current and mark it visited
For each neighbor of the current node, calculate the tentative distance
If the tentative distance is less than the current distance, update the distance
Mark the current node as visited and select the unvisited node with the sma...
A program to reverse a singly linked list
Create a new empty linked list
Traverse the original linked list and insert each node at the beginning of the new list
Return the new list
Methods to find nth largest element in an unsorted linked list
Traverse the linked list and store elements in an array, sort the array and return the nth largest element
Use quickselect algorithm to find the nth largest element in O(n) time complexity
Implement a max heap and extract the nth largest element
Divide the linked list into smaller sublists and recursively find the nth largest element
Use merge sort to sort the l
A prime number is a number that is divisible only by 1 and itself.
A prime number has exactly two factors: 1 and itself.
Prime numbers cannot be divided evenly by any other number.
Examples of prime numbers include 2, 3, 5, 7, 11, 13, 17, etc.
Test cases for a bank transaction
Transaction amount within account balance limit
Transaction amount exceeds account balance limit
Transaction to a valid account number
Transaction to an invalid account number
Transaction with correct transaction code
Transaction with incorrect transaction code
Transaction during bank working hours
Transaction outside bank working hours
Design classes for educational institutions in a city
Identify the main entities: schools, students, teachers, courses
Create a School class with attributes like name, address, and a list of students and teachers
Create a Student class with attributes like name, age, and a list of courses
Create a Teacher class with attributes like name, specialization, and a list of courses
Create a Course class with attributes like name, ...
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