public void insertValue(int value) {
if (rootNode == null) {
rootNode = new IntNode(value);
} else {
IntNode currentNode = rootNode;
while (currentNode.getValue() != value) {
if (value > currentNode.getValue()) { // Right child path
if (currentNode.getRightChild() == null) {
currentNode.setRightChild(new IntNode(value));
}
currentNode = currentNode.getRightChild();
} else { // Left child path
if (currentNode.getLeftChild() == null) {
currentNode.setLeftChild(new IntNode(value));
}
currentNode = currentNode.getLeftChild();
}
}
}
}
