private void _insert(int value, Node cur_node)
{
if (value < cur_node.getValue())
{
if (cur_node.getLeftNode() == null)
{
cur_node.setLeftNode(new Node(value));
}
else
{
this._insert(value, cur_node.getLeftNode());
}
}
else if (value > cur_node.getValue())
{
if (cur_node.getRightNode() == null)
{
cur_node.setRightNode(new Node(value));
}
else
{
this._insert(value, cur_node.getRightNode());
}
}
else
{
Console.WriteLine("Value already exists in tree.");
}
}