You must create a timer class instance to use the timer's functions. Add the following code to the Java file:timer = new Timer (countdown, this);Notice the "countdown" variable is used.

Newer JVM-compatible languages like Scala, Groovy, and JRuby are better suited to creating internal DSLs than the Java language itself. Find out why in this final article in Venkat Subramaniam's ...

Some say general-purpose languages such as Java are on their way out, soon to be replaced by DSLs for every occasion. Get ready for the shift in this first installment of Venkat Subramaniam's four ...

Since I have done most of my coding for classes (and almost exclusively in Java), I have always just run my programs through the compiler and never had to worry about actually setting it up to run ...

Software developers in the Java space have a long history of creating composite software applications, packaging those applications within archive files and then deploying those archives to a ...