// We'll use instances of this object in main() below.

class ListItem {

    String data;    
    ListItem next;

}


public class StrangeExample4 {

    static ListItem first = null;
    static ListItem last = null;

    public static void main (String[] argv)
    {
	// Make one instance and put a string in the data field.
	first = new ListItem();
	first.data = "Yes minister";
        last = first;

	// Add the rest.
        add ("Seinfeld");
        add ("Cheers");
        add ("Frasier");
        add ("Simpsons");

	// Now print by repeatedly advancing the pointer - in a simple loop.
        ListItem listPointer = first;
        while (listPointer != null) {
            System.out.println (listPointer.data);
            listPointer = listPointer.next;
        }
    }


    static void add (String s)
    {
        // Make a new instance (new list node) and add the data.
	ListItem nextOne = new ListItem();
	nextOne.data = s;

        // Make the current last one point to the new one.
	last.next = nextOne;

        // Adjust the last pointer.
        last = nextOne;
    }
    

}