package binarytree;


import position.Position;

public interface BTPosition<E> extends Position<E> { 	// inherits element()
  public void setElement(E o);
  public BTPosition<E> getLeft(); 
  public void setLeft(BTPosition<E> v); 
  public BTPosition<E> getRight(); 
  public void setRight(BTPosition<E> v); 
  public BTPosition<E> getParent(); 
  public void setParent(BTPosition<E> v);
}