What does API level mean?

Question

I am wondering what exactly API level means. I couldn\'t seem to find an answer by searching on Google.

Could anyone please explain what the term API le

Answer 1

An API is ready-made source code library.

In Java for example APIs are a set of related classes and interfaces that come in packages. This picture illustrates the libraries included in the Java Standard Edition API. Packages are denoted by their color.