How many namespaces in .net framework

WriteLine "Hello World! The using keyword can be used so that the complete name isn't required, as in the following example: using System; Console. Important The C templates for. For more information see the article on New C templates generate top level statements The.

Sdk Microsoft. Web Microsoft. Worker These implicit global using directives include the most common namespaces for the project type.

Is this page helpful? Yes No. Any additional feedback? Skip Submit. Submit and view feedback for This product This page. View all page feedback. NET provides a rich set of interfaces, as well as abstract and concrete non-abstract classes. You can use the concrete classes as-is or, in many cases, derive your own classes from them. To use the functionality of an interface, you can either create a class that implements the interface or derive a class from one of the. NET classes that implements the interface.

NET types use a dot syntax naming scheme that connotes a hierarchy. This technique groups related types into namespaces so they can be searched and referenced more easily.

The first part of the full name—up to the rightmost dot—is the namespace name. The last part of the name is the type name. For example, System. Generic namespace. The types in System. Generic can be used to work with generic collections. This naming scheme makes it easy for library developers extending.

NET to create hierarchical groups of types and name them in a consistent, informative manner. It also allows types to be unambiguously identified by their full name that is, by their namespace and type name , which prevents type name collisions.

Library developers are expected to use the following convention when creating names for their namespaces:. The use of naming patterns to group related types into namespaces is a useful way to build and document class libraries.

However, this naming scheme has no effect on visibility, member access, inheritance, security, or binding. Data Structures. Operating System. Computer Network. Compiler Design. Computer Organization.

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C namespace example Let's see a simple example of namespace which contains one class "Program".