To run this application requires OperateFan.java as application on IDE, we have main() present in this class, Once class ran on IDE will result in description statements like below:
Console printing:::
Pull cord by passing pull input : p
Reverse by passing reverse input : r
Exit by passing exit input : exit
> pass 'p' for switch to pull or 'r' to reverse the mode
> pass 'exit' to terminate the program
Info statements are printed on console on each operation to identify the mode and speed level.
