import com.hk.math.RPoint;
public class DistanceCalculator {
public static void main(String[] args) {
RPoint point1 = new RPoint(0, 0);
RPoint point2 = new RPoint(3, 4);
double distance = point1.distanceTo(point2);
System.out.println("The distance between the two points is: " + distance);
}
}