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You have to create a class that implements one of their handler interfaces and its required methods, and then defines what the methods should do. For example, you could create your own keyboard handler
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How to fill out why use an interface

01
Understand the purpose of using an interface in programming.
02
Identify the classes or components that will be interacting through the interface.
03
Define the methods or behaviors that these classes will need to implement.
04
Create the interface by declaring these methods without providing an implementation.
05
Have the classes that need to adhere to the interface implement the defined methods.
06
Utilize the interface to allow for polymorphism and flexibility in the code.

Who needs why use an interface?

01
Software developers who want to enforce a specific contract or behavior in multiple classes.
02
Teams working on projects that require interchangeable components with consistent functionality.
03
Programmers aiming to achieve loose coupling between classes for easier maintenance and testing.
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An interface in programming is a contract that defines a set of methods and properties that a class must implement. It allows for a separation of concerns and promotes code reusability.
Typically, developers or programmers working with software systems that require interaction with different components or modules are required to implement and use interfaces.
To fill out an interface, you define its methods and properties in a generic way, allowing different classes to implement their own versions of those methods and properties.
The purpose of using an interface is to establish a clear contract for behavior while allowing multiple classes to offer their own implementations, facilitating a more modular and maintainable codebase.
Commonly reported information includes the methods signatures, properties, and any documentation that describes the intended functionality of the interface.
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