Default Methods in Java 8 Interfaces
#defaultmethodjava8 #java8features #java8 #interfaces
Q1: What are Default Methods in Java 8 Interfaces?
A: Default Methods are methods in interfaces with default implementations, allowing the addition of new methods to interfaces without breaking existing implementations.
Q2: Can a class override a default method from an interface?
A: Yes, a class can override a default method to provide its own implementation if needed.
Q3: How do Default Methods address the "diamond problem" in multiple inheritance?
A: They provide a mechanism for a class to inherit multiple methods with default implementations, and the compiler can resolve conflicts.
Q4: Can you give an example of using Default Methods in an interface?
A: Certainly! An example is adding a default method log() to a logging interface.
Q5: When should Default Methods be used?
A: They are useful when you want to add new methods to interfaces without forcing all implementing classes to provide an implementation.
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