Everything About API You Should Know
Application Program Interface or simply known as API is a set of protocols, routines as well as tools required to build software applications. In reality, the API is specifying how software components will interact to each and also, it is being used when programming components for GUIs or Graphical User Interface. Actually, a good API makes it simpler to make programs by providing all the building blocks which is put together by the programmer.
There are different types of APIs and these are widely used nowadays for applications, websites or even operating systems. A quick example of this is Windows, which uses different kinds of API sets that are used by system applications and hardware in fact, the act of copying and pasting text from one app to the other is a product of API.
The use of programs has become easier through GUI implementations. Developers can easily use some technologies to build applications through application programming interfaces. By way of exposing actions or objects that the developer needs and abstracting the underlying implementation, API helps to reduce the cognitive load on the part of the programmer.
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While the graphic interface for email client may provide the user with a button that is performing all steps for highlighting and fetching new emails, API for file input and output may give developers a function that can copy a file from one location to a different one without requiring the developer to understand the file system operation that occurs behind the scenes.
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The way the API is designed has a huge effect on its usability. Therefore, the design of the API tries to provide only the tools that a user expects from it. The design for programming interfaces is representing a crucial role in software architecture or the organization of complex piece of software.