At this point, you'll see some errors in the new private method because parameters haven't been set, and some variables or parameters from the public method will need to be passed to this new method ...

Java SE 9 introduced one significant enhancement to interfaces: private methods. A private method is a concrete instance or static method that’s defined in an interface and whose method header ...

The Java compiler must create synthetic methods on nested classes when their attributes specified with the private modifier are accessed by the enclosing class. The next code sample indicates this ...