A software framework is software that provides reusable, generic functionality which developers can extend or customize to create complete solutions. It offers an abstraction layer over lower-level code and infrastructure, allowing developers to focus on implementing business logic rather than building common functionality from scratch. Generally, a framework is intended to enhance productivity by allowing developers to focus on satisfying business requirements rather than reimplementing generic functionality. Frameworks often include support programs, compilers, software development kits, code libraries, toolsets, and APIs that integrate various components within a larger software platform or environment.
Unlike a library, where user code controls the program's control flow, a framework implements inversion of control by dictating the overall structure and calling user code at predefined extension points (e.g., through template methods or hooks). Frameworks also provide default behaviours that work out-of-the-box, structured mechanisms for extensibility, and a fixed core that accepts extensions (e.g., plugins or subclasses) without direct modification.
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