private method of interface

default methodからprivate methodを利用する

interface A {
    private void privateMethod() {
        System.out.println("aaaaprivate");
    }
    default void method() {
        System.out.println("aaaaA");
        privateMethod();
    }
}

class C implements A{
    public void method() {
        A.super.method();
    }
}
public class Outer {
    public static void main(String[] args) {
      new C().method();
    }
}

aaaaA
aaaaprivate