With AWT, developers could create graphical applications with windows, buttons, text fields and other UI components. More recently, web development has taken center stage and JavaScript in web ...

Image: Andrii/Adobe Stock Glassfish is a free, open-source Java application server that simplifies the process of deploying your enterprise-grade Java apps to a scalable platform.

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.