MostSpecific.java

package lambdasinaction.chap9;

public class MostSpecific{

    public static void main(String... args) {
        new C().hello();
        new E().hello();
        new G().hello();
    }

    static interface A{
        public default void hello() {
            System.out.println("Hello from A");
        }
    }

    static interface B extends A{
        public default void hello() {
            System.out.println("Hello from B");
        }
    }

    static class C implements B, A {}

    static class D implements A{}

    static class E extends D implements B, A{}

    static class F implements B, A {
        public void hello() {
            System.out.println("Hello from F");
        }
    }

    static class G extends F implements B, A{}

}