public class MyClass
	{
	private static int n = 0;
	
	private int id;

	public MyClass()
		{
		id = n;
		n = n + 1;
		};

	public MyOtherClass makeOtherClass()
		{
		return new MyOtherClass(this);
		};

	public int getID()
		{
		return id;
		};

	public static double square (double x)
		{
		System.out.print("The square of "+Double.toString(x)+"\n");
		double y = x * x;
		System.out.print("is "+Double.toString(y)+"\n");
		return y;
		};
	
	public static void sayHello ()
		{
		System.out.print("Hello\n");
		(new MyClass()).makeOtherClass().showParentID();
		(new MyClass()).makeOtherClass().showParentID();
		};
	};