// useful geometric classes // 15 jan 98 public class Point { protected int x, y; // coordinates of the point public Point () { setPoint(0,0); } public Point(int a, int b) { setPoint(a,b); } public void setPoint (int a, int b) { x = a; y = b; } public void setX(int a) { x = a; } public void setY(int a) { y = a; } public int getX() { return x; } public int getY() { return y; } public String toString() { return "[" + x + ", " + y + "]"; } } // end Point