public BinaryTree() { root = null; }
public BinaryTree(int data) { root = new BinaryNode(data); ammount = 1; }
public void setLeftChild(BinaryNode newLC) { leftChild = newLC; }
public void setRightChild(BinaryNode newLC) { rightChild = newLC; }
public BinaryNode(int data) { this.data = data; leftChild = rightChild = null; }