import java.util.*;

public class QueueExample {

    public static void main (String[] argv)
    {
        // We'll use a list, but treat it like a queue.
        // Note: it's a list meant to hold strings.
        LinkedList<String> queue = new LinkedList<String> ();

        // Add some names:
        queue.add ("Alice");
        queue.add ("Bob");
        queue.add ("Chen");
        queue.add ("Dagmar");
        queue.add ("Eva");
        queue.add ("Faisal");
        
        System.out.println ("Queue contents: " + queue);

        // Extract one by one:
        while (! queue.isEmpty() ) {
            String name = queue.remove ();
            System.out.println ("Next comes " + name);
            System.out.println ("Queue contents: " + queue);
        }
    }
    
}