Have you ever looked at your code and realized that it is actually a state machine that you are trying to implement? Usually, you would start using switch-case statements or go for the state pattern approach. For larger state machines, this approach quickly gets hard to read and maintain.
YAKINDU Statechart Tools comes with a graphical editor to model your statechart and generates the corresponding Java code automatically for you. Even better, you can use Java code directly in the graphical model. In this article, I will demonstrate what this looks like and what is possible.