class foo ui
{
	const a = 1;
	const b = 2;

	virtual int geta() {return a;}
	virtual int getb() {return b;}
	void printer()
	{
		console.printf("%s, a:%i b%i",  self.GetClassName(), a, getb());
	}

}

class bar : foo
{
	const b = 4;
	override int getb() {return b;}
}