If you are running Java through your terminal or command line without a separate library of graphical user interface components, your "system.out.println()" method may not use Unicode by default.

Java default constructor example. Here is an example of the default constructor being used to create an instance of this class and print out the initial values of the class's properties. void main() ...

This Java naming conventions tutorial explains how and when to use snake, kebab, Pascal and camel case with variables, methods, ... After that, any combination of valid Unicode characters or digits is ...