// Example points with properties to access fields
// From Lecture 3: C# Basics
// -----------------------------------------------------------------------------

using System;
class Point{
         // private access modifier: only visible in this class
	 private int x;
	 private int y;

        // using properties to get and set the contents of x and y
        // Q: is there a shorter way to write this code?
	public int PointX {
	  get { return x; }
          set { this.x = value; }
	}
	public int PointY {
	  get { return y; }
          set { this.y = value; }
        }

        // constructor with initialisation
	public Point(int x, int y){
		this.x = x;
		this.y = y;
	}
}
class Test{
	public static void Main(){
		Point point1 = new Point(5,10);
		Point point2 = new Point(20, 15);
		// this doesn't work, because x and y are private in the Point class; try it!
		// Console.WriteLine("Point1({0}, {1})", point1.x, point1.y);
		// Console.WriteLine("Point2({0}, {1})", point2.x, point2.y);
		Console.WriteLine("Point1({0}, {1})", point1.PointX, point1.PointY);
		Console.WriteLine("Point2({0}, {1})", point2.PointX, point2.PointY);
		point1.PointX += 10;
		Console.WriteLine("Increasing Point1's x val by 10 ...");
		Console.WriteLine("Point1({0}, {1})", point1.PointX, point1.PointY);
		
	}
}