java When a concrete class implements an interface, it must 1.write complete met

ID: 3720615 • Letter: J

Question

java

When a concrete class implements an interface, it must

1.write complete methods for all the methods in the interface

2.concrete classes cannot implement interfaces - only abstract classes can

not have a constructor since it is inherited from the interface

4.write abstract methods with the exact signature as in the interface

1.write complete methods for all the methods in the interface

2.concrete classes cannot implement interfaces - only abstract classes can

not have a constructor since it is inherited from the interface

4.write abstract methods with the exact signature as in the interface

Answer) 1.write complete methods for all the methods in the interface

Explanation:- When a concrete class implements an interface, it must include the implementation for all methods declared in the interface

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