public class ETreeDemo {

	public static void main(String[] args) {
		ETNode root;

		root = beginningTree();
		root.print(0);
		System.out.println ("Evaluation is " + ETNode.eval(root));
		System.out.println ("Evaluation 2 is " + root.value());
	}

	public static ETNode beginningTree() {
		ETNode root;
		ETNode child;

		root = new ETNode('+', null, null);
		child = new ETNode(1.0);
		root.setLeft(child);

		child = new ETNode('*', null, null);
		root.setRight(child);
		child.setLeft(new ETNode(2.0));
		child.setRight(new ETNode(3.0));

		return root;
	}
}