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 mais de 9 anos atrás