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java Which of the following statements is incorrect about interfaces? A class that implements the interface but does not implement all abstract methods of the
java
Which of the following statements is incorrect about interfaces?
A class that implements the interface but does not implement all abstract methods of the interface must be declared abstract. |
An interface is a supertype of every class that implements it. |
An interface cannot contain static methods. |
An interface can contain default method declarations. |
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