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

But these aforementioned Java command-line tools -- namely, javac, javap, jstat, jdeps and jar -- are the five that serious software developers need to know.

The following command permanently points JAVA_HOME to the location you set: setx JAVA_HOME -m "C:\_jdk25.0" The option to manually set JAVA_HOME through the command line is especially useful if you ...

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 ...