/* Program Test_Arg.java */
class Drawing {
	int	red = 100, green = 50, blue = 100;
	
	void	get_color(int r, int g, int b) {
		r = red; g = green; b = blue; 
	}  					// wrong way

	void	get_color(Pen p) { 
		p.r = red; p.g = green; p.b = blue; 
	}  				// correct method
}

class Pen {
	int r,g,b;
}

class Test_Arg {
	public static void main(String[] args) {
	Drawing	d = new Drawing();	
	int 	r=0, g=0, b=0;
	
	d.get_color(r,g,b);
	System.out.println(r + " " + g + "  " + b);

	Pen p = new Pen();
	d.get_color(p);
	System.out.println(p.r + " " + p.g + "  " + p.b);
	}
}