import rebelsky.list.SimpleLinkedList;
import rebelsky.list.Cursor;
import rebelsky.list.SimpleCursor;
import rebelsky.io.Pen;

public class TestLL
{
	public static void main(String[] args)
		throws Exception
	{
		SimpleLinkedList absl = new SimpleLinkedList();
		Pen pen = new Pen();
		
		pen.print("Initial list: ");
		pen.println(absl.toString());
		
		absl.add("Hello");
		absl.add(new Integer(42));
		absl.add("nutty");
		pen.print("Modified list: ");
		pen.println(absl.toString());

		for (int i = 0; i < 10; i++)
			absl.add(new Integer(i));
		pen.println("After adding lots of things: ");
		pen.println(absl.toString());	
		
		SimpleCursor s_curse = absl.getSimpleCursor();
		try {
			for (int i = 0; i < 100; i++)
				pen.println(i + ": " + s_curse.next());
		}
		catch (Exception e) {
			pen.println("Iterating failed because " + e);
		}
		
		// Delete the first element
		s_curse = absl.getSimpleCursor();
		s_curse.next();
		absl.remove(s_curse);
		pen.println("After deleting first element: " + absl.toString());
		
		// Delete the 5
		Integer five = new Integer(5);
		s_curse = absl.getSimpleCursor();
		// Step through the list
		while (s_curse.hasNext()) {
			// See if the current value is 5.  If so, delete it.
			if (s_curse.next().equals(five)) {
				absl.remove(s_curse);
				break;  // Exit the while loop
			}
		}
		pen.println("After deleting the 5: " + absl.toString());
		
		/*
		Cursor curse = absl.getCursor();
		curse.toRear();
		while (!curse.atFront())
			pen.println(curse.prev());
		pen.println(curse.prev());
		*/
	} // main(String[])
} // class TestLL