Display1.java

public class Display {

	public static void main(String[] args) {
		Display display = new Display();
		Outputalbe data = new Profile("numa08", 24);

		display.out(data); //Hey I am numa08 and , I'm 24 old.
	}

	private void out(Outputalbe data) {
		System.out.println(data.output());
	}
}