Learn how to use the Command pattern to encapsulate requests as objects that you can execute alone or in sequence in your Java programs.

Many Java applications started from the command line take arguments to control their behavior. These arguments are available in the string array argument passed into the application’s static ...

Java double precision The precision of a double in Java is 10 -324 decimal places, although true mathematical precision can suffer due to issues with binary arithmetic. To simplify display, you can ...

Writing code to parse command line arguments is still necessary sometimes. When you need to examine command line arguments, see how and why you should use your open source Java toolkit and use ...