What does java api interface mean?

java api interface has two meanings, namely: 1. Application programming interface, API is some predefined functions; 2. Explanation and description of API application programming interface to facilitate users to use the interface inside , classes and methods.

APIs are predefined functions that provide applications and developers with the ability to access a set of routines based on a piece of software or hardware, and No need to access source code, or understand the details of the inner workings.

Java-API interface is divided into two meanings:

One is the application programming interface, API (Application Programming Interface, application programming interface) is some predefined functions, the purpose is to provide The ability for applications and developers to access a set of routines based on a piece of software or hardware without having to access the source code or understand the details of the inner workings.

Another meaning is that what this article talks about is an explanation and description of the API application program interface, which makes it easier for us to use the interfaces, classes and methods inside.

JAVA API documentation provides many official introductions and explanations of classes, methods, and variables. It is generally very systematic and covers all aspects. If the developer is not familiar with the class being used and wants to view the variables or methods in the class, he can open the JavaAPI document to read and view it.

In fact, not only Java has API, many development languages ​​​​provide official documents, which allows developers to quickly improve their capabilities.

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