If a method in an interface is implemented in it, then that method should be either _______ or _________.Select one:a.static, defaultb.abstract, staticc.abstract, defaultd.public , abstract
Question
If a method in an interface is implemented in it, then that method should be either _______ or _________.Select one:a.static, defaultb.abstract, staticc.abstract, defaultd.public , abstract
Solution
The correct answer is a. static, default.
In Java, an interface can have static and default methods that have an implementation.
Step 1: Understand the question. The question is asking about the types of methods that can be implemented in an interface in Java.
Step 2: Know the basics of Java interfaces. In Java, an interface is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types.
Step 3: Understand the types of methods in an interface.
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Static methods: These are methods that belong to the interface itself, not to the instances of the interface. They can be called without creating an instance of the interface.
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Default methods: These are methods that provide a default implementation. They can be overridden by the classes that implement the interface.
Step 4: Choose the correct answer. Based on the information above, the correct answer is a. static, default.
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Which statements are true for both abstract classes and interfaces? (Choose all that apply *4 pointsA. All methods within them are assumed to be abstract.B. Both can contain public static final variables.C. Both can be extended using the extend keyword.D. Both can contain default methods.E. Both can contain static methods.F. Neither can be instantiated directly.G. Both inherit java.lang.Object.
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