studyskymate : Questions on Interface in Java

Thursday, September 26, 2019

Questions on Interface in Java

Questions on Interface in Java

Q) A java interface can contain ————

public static Final Variables only
public Abstract methods
Abstract methods(unimplemented) and implemented methods both
public static Final Variables and abstract methods both

Answer: D
An interface can have both final variables and abstract methods.

Q ) Which of these can be used to fully abstract a class from its implementation?

a) Objects
b) Packages
c) Interfaces

Answer: c
Explanation: None.

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