MyPoint p1, p2, p3, p4; //define four points
MySegment[] segment = new MySegment[2]; //define two segments
MyShape shape; //define a shape
//initialize variables
void setup(){
  p1 = new MyPoint(10., 10.); //make a point
  p2 = new MyPoint(20., 20.); //make a point
  p3 = new MyPoint(20., 20.); //make a point
  p4 = new MyPoint(30., 10.); //make a point
  segment [0] = new MySegment(p1, p2); //make a segment
  segment [1] = new MySegment(p3, p4); //make a segment
  shape = new MyShape(2, segment); //make a shape
  shape.move(30., 35.); //move the shape at (30.0,35.0)
  shape.plot(); //draw the shape
}