What is an interface?

Questão	Responda
Interface	A collection of related methods with provided headers but no implementations
All of the methods are...	Public and abstract
An interface is declared with ____ keyword	interface
Interfaces are implemented using ____ keyword	implements
A class that does not implement all methods declared in the interface must be declared_____	abstract
The classes that implement the same interface can be very different but must have _____	A common feature or capability
Can an interface instantiate variables?	No it cannot
Does the extends clause precede the implements clause?	Yes it must precede implements
A class can implement how many interfaces?	It can implement any number of them.
Does an interface contain instance variables?	No it does not.

Resumo de Recurso

	Criado por joannazhang13 aproximadamente 9 anos atrás