code: public static Coordinate lineIntersection(Coordinate c1, Coordinate c2, Coordinate c3, Coordinate c4) {
  		LineSegment ls1 = new LineSegment(c1, c2);
  		LineSegment ls2 = new LineSegment(c3, c4);
  		return ls1.getIntersection(ls2);
  	}
docs: Calculates the intersection point of 2 lines.
  
  @param c1
  First coordinate of the first line.
  @param c2
  Second coordinate of the first line.
  @param c3
  First coordinate of the second line.
  @param c4
  Second coordinate of the second line.
  @return Returns a coordinate.