public class Node {

public Object anElement;

public Node less;

public Node greater;

public Node(Object theElement) {

this(theElement, null, null); //an empty node at the end will be by itself with no children, therefore the other 2 parameters are always null

//obviously the node can still be a child of other elements

}

public Node(Object currentElement, Node lessSide, Node greaterSide) {

anElement = currentElement;

this.less = lessSide;

this.greater = greaterSide;

}

}