Variables are the bread and butter of coding. Without variables, apps would have no interactivity and no way of manipulating information. Therefore, learning about variables in Java should be among ...

Although the snooze button is probably the most commonly used button on an alarm clock, even a simple AlarmClock class needs a few more features. For instance, you might want to control how long the ...

In Java, you can have a section of code inside a class definition that looks like this:<BR><BLOCKQUOTE><font size="-1">code:</font><HR><pre><BR> static {<BR ...

In this tip, I'd like to show a simple technique that allows switching between multiple versions of the code at runtime. Often, when I'm testing a new solution, I'd like to run an old version and make ...