Northcorp Software DOT NET Developer Interview Questions and Answers

D/W array is a dynamic array in .Net that can grow or shrink in size. ArrayList is a collection class that can store objects of any type.

• D/W array is a resizable array that automatically adjusts its size as elements are added or removed.

• ArrayList is a collection class that can store objects of any type, allowing for flexibility in data storage.

• Example: D/W array - string[] myArray = new string[5]; ArrayList - ArrayList...read more

readonly variables can be assigned a value either at the time of declaration or in the constructor, while const variables must be assigned a value at the time of declaration and cannot be changed.

• readonly variables can be assigned a value at runtime, while const variables must be assigned a value at compile time

• readonly variables can be assigned a value in the constructor, while const variables cannot

• const variables ar...read more

const is compile-time constant, while readonly is runtime constant.

• const values are determined at compile time and cannot be changed during runtime

• readonly values can be assigned a value either at the declaration or in the constructor and can be changed at runtime

• const is used for values that are known at compile time, like mathematical constants

• readonly is used when the value needs to be initialized at runtime, like d...read more

Dependency Injection in .NET Core promotes loose coupling and enhances testability by managing object lifetimes and dependencies.

• Inversion of Control: DI allows the framework to manage the creation and lifetime of objects, reducing the need for manual instantiation.

• Service Registration: Services are registered in the Startup class using methods like AddSingleton, AddScoped, or AddTransient, defining their lifetimes.

• Con...read more

CLR stands for Common Language Runtime, it is the virtual machine component of the .NET framework.

• CLR is responsible for managing the execution of .NET programs.

• It provides services such as memory management, exception handling, and security.

• CLR compiles the intermediate language code into native code during execution.

• It allows for cross-language integration and interoperability within the .NET framework.

• Examples of la...read more

Common Language Runtime (CLR) is the virtual machine component of Microsoft's .NET framework, responsible for managing execution of .NET programs.

• CLR provides various services such as memory management, exception handling, and security.

• It compiles intermediate language code into machine code during execution.

• CLR allows for interoperability between different languages in the .NET framework.

• Example: C# and VB.NET code ca...read more

ASP.NET Core is a cross-platform, high-performance framework for building modern web applications and services.

• Cross-platform: Runs on Windows, macOS, and Linux.

• High performance: Optimized for speed and scalability.

• Modular architecture: Allows developers to include only the necessary components.

• Dependency Injection: Built-in support for DI to promote loose coupling.

• Unified programming model: Supports MVC, Web API, and ...read more