Java FX Project: N-Sided Regular Polygon

Problem Description:

Write a program in Java Fx that displays a regular polygon and uses two buttons named +1 and -1 to increase or decrease the size of the polygon.

Your Task:

1. Create the RegularPolygonPane class for displaying an n-sided regular polygon. n is a data field in RegularPolygonPane.

2. Write the code to handle the action events from the buttons to change the number of the sides in a RegularPolygonPane object and redisplay it.