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Interface writeable {}

Interface Erasable{}

Which three are valid?

A.	a) Public class pencile extends writeable{} c) Public interface pencile extends writeable{} e) Public class pencile implements writeable, erasable{}	B.	b) Public class pencile implements writeable{} c) Public interface pencile extends writeable{} e) Public class pencile implements writeable, erasable{}
C.	a) Public class pencile extends writeable{} c) Public interface pencile extends writeable{} d) Public interface pencile implements writeable{}	D.	c) Public interface pencile extends writeable{} d) Public interface pencile implements writeable{} e) Public class pencile implements writeable, erasable{}

Answer and Explanation

Answer:b) Public class pencile implements writeable{}

c) Public interface pencile extends writeable{}

e) Public class pencile implements writeable, erasable{}

Explanation:
a class can not extend interface ,it can only implement.So ans a) is not correct
An interface can extend another interface it shouldn’t implement another interface so ans d) is also wrong rest is correct

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