class Line
{	
	Point p1,p2;
	class Point
	{
		int x,y;
		Point(int x,int y)
		{
			this.x=x;
			this.y=y;
		}
		public void printXY()
		{
			System.out.print("("+x+","+y+")");
		}
	}
}
public class InnerClassDemo5_3 
{
	public static void main(String[] args) 
	{		
		Line line=new Line();
		line.p1=line.new Point(2,10);
		line.p2=line.new Point(3,20);
		System.out.print("һߣ");
		line.p1.printXY();
		System.out.print("-----");
		line.p2.printXY();
	}
}
