write a separate application class (which may extend JFrame and will include its own main method

Create an application that animates a square around a circular path centered in the applications window. That is, youre drawing a square whose position changes in time along a circular path. The animation should stop after one complete rotation. The following diagram illustrates how the x and y coordinates change along a circular path (where ranges from 0 to 2 around the circle)

roos (0) y r sin(e)