Câu hỏi phỏng vấn C#
Câu hỏi

What is namespace in C#?

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What is a namespace in C#?

In C#, a namespace is a way to organize and group related classes, interfaces, and other types together. It provides a way to create a logical separation between different parts of a program, making it easier to manage and maintain the code.

Namespaces serve several purposes:

  1. Avoiding naming conflicts: By using namespaces, you can avoid naming conflicts between classes, interfaces, or other types that have the same name but belong to different parts of the program.

  2. Organizing code: Namespaces help organize code by grouping related types together, making it easier to find and understand the code structure.

  3. Providing a logical hierarchy: Namespaces can be nested, creating a hierarchical structure that reflects the logical organization of the program.

  4. Improving code readability: By using namespaces, you can make the code more readable and easier to understand by clearly indicating the context and purpose of each type.

Here's an example of how to define and use a namespace in C#:

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