A function that calls itself either directly or indirectly (i.e., through another function) is a(n) __________ function.

Jack encrypts all his email and insists that everyone who sends him email encrypt it as well. What kind of spyware attack is Jack trying to avoid?

What will be an ideal response?

Create a JavaFX application that draws a pattern of evenly spaced circles. Use four constants to control the pattern: the number of circles to draw, the radius of the first circle, the change in the radius of each subsequent circle, and the change in the x-coordinate of the circle.

This application uses looping to control drawing a number of circles. Changing the parameters results in interesting patterns.