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Nineleaps Technology Solutions
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I applied via Naukri.com and was interviewed in Oct 2023. There was 1 interview round.
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I appeared for an interview in Mar 2021.
My current project involves analyzing customer behavior on our e-commerce platform.
Collecting and cleaning data from various sources
Creating visualizations to identify patterns and trends
Using statistical models to make predictions and recommendations
Collaborating with cross-functional teams to implement changes
Tracking and measuring the impact of changes on customer behavior
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Aptitude questions with some basic coding questions
They have given 3 coding questions and some pseudo codings
Dispose and finalize are methods used for releasing resources in .NET.
Dispose is used to release unmanaged resources immediately.
Finalize is used to release managed resources when the garbage collector runs.
Dispose can be called manually or through the using statement.
Finalize is called automatically by the garbage collector.
Dispose is implemented by IDisposable interface.
Finalize is implemented by Object class.
OOPs concepts are the principles of Object-Oriented Programming that help in designing and implementing software solutions.
Encapsulation - binding data and functions together
Inheritance - creating new classes from existing ones
Polymorphism - ability of objects to take on multiple forms
Abstraction - hiding implementation details
Objects - instances of classes that encapsulate data and behavior
Inheritance is a mechanism in OOP where a new class is derived from an existing class.
It allows for code reusability and promotes a hierarchical structure.
It can lead to tight coupling and make the code harder to maintain.
It can also result in the creation of unnecessary classes and increase complexity.
Example: A Car class can inherit properties and methods from a Vehicle class.
Example: A Square class can inherit prope
Explicit interface is a way to implement multiple interfaces with same method names.
Explicit interface is used to avoid naming conflicts when implementing multiple interfaces.
It is implemented by prefixing the interface name to the method name.
It is useful when implementing COM interfaces in .NET.
Example: void IInterface1.Method() and void IInterface2.Method()
Interface defines only method signatures while abstract class can have method implementations.
Interfaces can be implemented by multiple classes while abstract classes can only be extended by one class.
Interfaces are used for achieving multiple inheritance in Java while abstract classes are used for single inheritance.
Interfaces cannot have constructors while abstract classes can have constructors.
An example of an inter...
Startup method in .NET Core is used to configure the application's services and middleware.
Startup method is defined in Startup.cs file.
It includes ConfigureServices and Configure methods.
ConfigureServices is used to add services to the dependency injection container.
Configure is used to configure the HTTP request pipeline.
Example: public void ConfigureServices(IServiceCollection services) { services.AddMvc(); }
Example...
HTTP verbs are used to indicate the type of action being performed on a resource.
HTTP verbs include GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS
GET is used to retrieve data from a server
POST is used to submit data to a server
PUT is used to update an existing resource on a server
DELETE is used to delete a resource from a server
PATCH is used to partially update a resource on a server
HEAD is used to retrieve only the head...
Project architecture refers to the overall design and structure of a software project.
It includes the organization of components and modules
Defines the relationships between them
Specifies the technologies and tools used
Determines the overall performance and scalability
Examples include MVC, microservices, and client-server architecture
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
It was ok. I was not able to solve all the questions.
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
Iterate through the linked list to find the second last node
Update the next pointer of the second last node to null
I applied via Campus Placement and was interviewed in Jan 2024. There were 2 interview rounds.
15 basic cs based mcq - mainly dsa and os and 3 coding question -- dp count the number of elemnt sum required to reach target , 2 q - balanced parenthesis and last one is from graph.
Contains linear and non linear data structures deep knowledge of trees and graphs
Dry run on a page involves testing the code without actually executing it.
Dry run involves walking through the code manually to check for errors
Helps in identifying logic errors before actual execution
Commonly used in debugging and testing code
I applied via Campus Placement and was interviewed before Oct 2021. There were 2 interview rounds.
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
Horizontal scaling involves adding more machines to a system to increase capacity
Vertical scaling involves adding more resources to a machine to increase capacity
Use cases for horizontal scaling include handling increased traffic or adding redundancy
Use cases for vertical sca...
I applied via Job Portal and was interviewed before Nov 2022. There were 2 interview rounds.
I applied via Campus Placement and was interviewed before Jun 2023. There was 1 interview round.
based on 1 interview
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