trygeometry.java

Java2入门经典第五章源码

public class TryGeometry
{
  public static void main(String[] args)
  {
    // Create two points and display them
    Point start = new Point(0.0, 1.0);
    Point end = new Point(5.0, 6.0);
    System.out.println("Points created are " + start + " and " + end);
    

    // Create two lines and display them
    Line line1 = new Line(start, end);
    Line line2 = new Line(0.0, 3.0, 3.0, 0.0);
    System.out.println("Lines created are " + line1 + " and " + line2);

    // Display the intersection
    System.out.println("Intersection is " + line2.intersects(line1)); 

    // Now move the end point of line1 and show the new intersection
    end.move(1.0, -5.0);
    System.out.println("Intersection is " + line1.intersects(line2));
  }
}