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Interface

A class can implement more than one interface?
True
False
A class can extend an interface?
True
False
An interface can extend an interface?
True
False
Interfaces can have constructors?
True
False
All members of an interface are public by default?
True
False
Why would you use an abstract class over an interface?
Can provide additional methods with code already implemented
You have multiple subclasses which need to perform the same implementation of a task
Both of the above
Which inheritance is achieved using interface in Java?
Multiple inheritance
Single inheritance
Multilevel inheritance
None of the above
Methods of the interface must not be ___ in nature.
Static
Final
Native
All of the above
How many classes we are able to extend in Java?
Only one class
Two class
Three class
Four class
Which keyword is used for using interface in class?
Extend
Throw
Implements
None of the above
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