JFrame frame = new JFrame(); JButton ... see my discussion about using the Command pattern to apply discounts in an enterprise shopping cart. Rafael del Nero is a Java Champion and Oracle Ace ...

New Java 5 features like generics and typesafe enums were also used for this project. Over the years, I have written several Java tools that take command line arguments to control their behavior.

Here is a list of the five most useful Java command-line tools that developers need to master to become productive members of their teams. The javac utility is the most important command-line ...