public class TestBinaryTree {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		 BinaryTree bt = new BinaryTree();
		 BNode root = bt.addRoot("A");
		 BNode B = bt.insertLeft(root, "B");
		 BNode C = bt.insertRight(root, "C");
		 BNode D = bt.insertLeft(B, "D");
		 BNode E = bt.insertRight(B, "E");
		 System.out.println("size:"+bt.size());
		 System.out.println(bt.leftChild(root).getElement());
		 String leaf=(String)bt.deleteLeaf(E);
		 System.out.println("deleted node is:"+leaf+",size:"+bt.size());

	}

}