Java Interface Usage classification ()

Java interfaces can be used in two categories.

During application creation, APIs that are commonly used are defined at the beginning of the Application for calling different modules. Instant Interface

There is also an interface that is emerging through continuous accumulation of business functions and used in refactoring. Accumulative Interface

In fact, these two types of interfaces are essentially different and can be converted to each other.

Their distinction is mainly based on the level of a developer. For example, a high-level developer can. Developers of General levels need to accumulate interfaces as the initial defined interfaces.

So, at the beginning of the development definition ..........