The first time you heard of a state machine, what did you think it was? I thought it was a debugger. A debugger I could use to find those annoying bugs in my code. A state machine is not a debugger. However, when you master how to use a state machine, the code you write would be on the bug-free side.
What Is a State Machine?
A state machine is an abstract concept that defines and plans the stages and transitions of an application. The application only transitions upon the occurrence of an event. A state machine indicates the initial state of an app, for example, and what would be the next stage - transition - if a user uses the app.