static void Main(string[] args)
{
_2DPoint p1 = new _2DPoint(3, 4);
_3Dpoint p2 = new _3Dpoint(4, 5, 6);
Console.WriteLine("p1 = {0}", p1);
Console.WriteLine("p2 = {0}", p2);
}
public bool Equals(_2DPoint otherPoint)
{
if(this.xComponent ==otherPoint.xComponent && this.yComponent==otherPoint.yComponent)
{return true;}
}else{