But in Java 8 it is now possible to add method definitions in interfaces. Java 8 has a additional feature called Default Methods. Now using this method we can add method definitions into interfaces.

Java 8 allows to define default method in interface. Default methods allow us to add new methods in interface that are automatically available to it’s implementation classes by default. This is called ...

Notice the detail that interface methods are implicitly abstract. This means we don’t need to explicitly declare them as abstract. When default methods were introduced in Java 8, some developers ...

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Child class has to implement the abstract functions in order to fulfill the contract. Java 8 onwards, Interface got more powerful with the static and default methods. interface Alpha{ default void bar ...

According to the JavaDoc, the Consumer interface accepts any type of object as input. The java.util.function.Consumer class has one non-default method named accept which takes a single object as its ...