Groovy Quiz 28 | Interface Reference video | Groovy Playground 1 Point for every correct answer | Let’s Get Started 1. An interface can have only abstract methods whereas An abstract class can have both abstract and non-abstract (concrete) methods non-abstract methods also have body True False 2. To declare interface we use the keyword interface e.g. interface Car { } True False 3. To implement interface in a class the keyword is implements True False Loading … 5
