![]() So, what is going on in the android reference docs? Shouldn't the keyword "extends" be used in the android reference docs, instead of "implements" when it comes to relationships between interfaces?Īlso, say an interface interfaceB implements another interface interfaceA and a class, say ClassXYZ, implements interfaceB. What I have tried is: file 01: Student. This is the question above which I have got as an assignment, and I am allowed to get help from anywhere. ![]() However interfaces have no implementation so thats not possible. ![]() Prove that all the methods in an interface are automatically public. implements denotes defining an implementation for the methods of an interface. Which of the following statements about abstract methods is true An abstract method has a name, parameters, and a return type, but no code in the body of the method. Implement the interface in a different package. Which statement about methods in an interface is true All methods in an interface are automatically public. When we declare a class that implements an interface, the Java compiler enforces part of this requirement automatically: for example, it ensures that every. But, as per an SO post, an interface cannot implement another interface, it can only extend one. A method that has no implementation is called a/an method. For example, among others, look at ComponentCallbacks2 & SurfaceHolder.Callback2. May be I am missing some understanding or may be I am unable to understand some "wording" (I am fairly new to JAVA and android), but if you look at the developer reference docs for android, then one can find that an interface is " implementing" another interface. ![]()
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