public void SetRight(BinaryNode <T> right) => this.right = right;
public BinaryNode(T element, BinaryNode <T> left, BinaryNode <T> right)
{
this.element = element;
this.left = left;
this.right = right;
}
public void SetLeft(BinaryNode <T> left) => this.left = left;
public BinaryNode(T element)
{
this.element = element;
this.left = null;
this.right = null;
}