public interface Line
Point
getP1()
double
getP1X()
getP1Y()
getP2()
getP2X()
getP2Y()
void
set(double p1x, double p1y, double p2x, double p2y)
Point getP1()
Point getP2()
double getP1X()
double getP1Y()
double getP2X()
double getP2Y()
void set(double p1x, double p1y, double p2x, double p2y)