Câu hỏi phỏng vấn .NET Core
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What's the difference between .NET Core, .NET Framework, and Xamarin?

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Differences Between .NET Core, .NET Framework, and Xamarin

.NET Core

  • Cross-Platform: .NET Core is a cross-platform framework that supports Windows, Linux, and macOS. This makes it suitable for developing applications that need to run on multiple operating systems[1][2][4].
  • Open Source: It is fully open-source and available under the MIT License, allowing for community contributions and transparency[2][3].
  • Performance and Scalability: .NET Core is designed to be lightweight, fast, and scalable, making it ideal for modern cloud-based applications, microservices, and high-performance systems[1][2][4].
  • Modular Architecture: It uses a modular architecture, allowing developers to include only the necessary components, which can lead to faster release cycles and reduced application size[4].
  • Installation: .NET Core is installed independently of the underlying operating system, which allows for side-by-side installations of different versions on the same machine[2][4].

.NET Framework

  • Windows-Only: The .NET Framework is primarily designed for building and running applications on Windows. It is tightly integrated with the Windows operating system and is updated through Windows Update[1][2][4].
  • Legacy Support: It has been around since 2002 and supports a wide range of legacy applications and technologies that are not available in .NET Core, such as ASP.NET Web Forms and Windows Workflow Foundation[1][2][12].
  • Monolithic: The .NET Framework is monolithic, meaning it is installed as a single package and cannot be modularly customized like .NET Core[4].
  • Rich Library Support: It includes a comprehensive class library and supports over 60 programming languages, with 11 developed by Microsoft[2].
  • In-Place Updates: New versions of the .NET Framework replace previous versions, which can sometimes lead to compatibility issues with existing applications[12][13].

Xamarin

  • Mobile Development: Xamarin is a framework for building cross-platform mobile applications using C#. It allows developers to write code once and deploy it on both Android and iOS platforms[4][9][15].
  • Integration with .NET: Xamarin uses the Mono runtime, which is a cross-platform implementation of the .NET Framework. It has been integrated into the .NET ecosystem, allowing for shared code and libraries between mobile and desktop applications[4][9][15].
  • Native Performance: Xamarin provides near-native performance by allowing access to native APIs and tools, which can be crucial fo...
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