API

What is API?

An API is an acronym for Application Programming Interface. API is a document but not the software. API consists of specifications. An API document can be in any format ie.., .doc, .pdf, .html, .txt etc..., There are two types of API, they are:

• Public API: Once this API is released any company or any individual can make use of it. It means any company can implement it. Implementation in the sense any one can write code(create software)using that API.

• Proprietary API: Once if this API is released only the authorized company is allowed to use it.

Java is a Public API released by Sun Micro systems.Inc. This API consists of set of Classes and Interfaces.