Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.

In this article Rafael Winterhalter, creator of the bytecode manipulation tool Byte Buddy, provides detailed guidance on how to easily create Java agents using Byte Buddy.

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Use Java's packages and static imports to organize top-level types and simplify access to their static members.

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.