package visitor.ex;
 
public interface Element {
	void Accept(Visitor v); 
}
 
class ElementA implements Element {
 
	public void Accept(Visitor v) {
		v.VisitElementA(this);
	}
}
 
class ElementB implements Element {
 
	public void Accept(Visitor v) {
		v.VisitElementB(this);
	}
 
}