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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

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Learning Abstraction through Interface

Q1. Which keyword is used to declare an interface in java?

a: class b: implements c: interface d: None

Q2. Which is the correct way to inherit and implement the interface?

a: class Cat extends IAnimal{} b: class Cat import IAnimal{} c: class Cat implements IAnimal{} d: None is correct

Q3. Which one is correct declaration for implementing two interfaces?

a: class C implements A, B b: class C implements A, implements B c: class C implements A extends B d: None

Q4. Can we declare an interface as final?

a: No b: Yes

Q5. Which of these access specifiers can be used for an interface?

a: Public b: Protected c: private d: None

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