Introduction of Framework Class Library

Framework class Library: - Introduction
The .NET Framework Class Library provides pre-written code in the form of classes that are available to all of the .NET programming languages. This class library consists of hundreds of classes, structure, types that tightly integrate with the common language runtime. The class library is based on object-oriented concept.

The FCL is divided into different logical units according to their functionality or operation. These logical units are called NAMESPACE. The SYSTEM namespace is the root namespace in .NET.

The .Net Framework class library (FCL) provides the core functionality of .Net Framework architecture. The .Net Framework Class Library (FCL) includes a huge collection of reusable classes, interfaces, and value types that are used into the software development process and provide access to system functionality.

The .Net Framework class library (FCL) organized in a hierarchical tree structure and it is divided into Namespaces. Namespaces is a logical grouping of types for the purpose of identification.


Framework class library (FCL) provides the consistent base types that are used across all .NET enabled languages. The Classes are accessed by namespaces. The System Namespace is the root for types in the .NET Framework. The .Net Framework class library (FCL) classes are managed classes that provide access to System Services. The .Net Framework class library (FCL) classes are object oriented and easy to use in program developments.

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