A public method should never be called by another public method within the same class hierarchy. It should only be called by other classes via the classes' public interface. Class calls might not be ...

To build a method, we use a number of statements to define that method. In the previous example: Public – Means that the method is accessible to other classes outside of this one ...

Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

The word “public” means that a method can be accessed from outside of a class. That means we can call that method from our Main class but we need to tell Java where to look.

It’s inappropriate to use an assertion to validate an argument in this public method. An assertion is intended to detect errors in programming logic and not to safeguard a method from erroneous ...