Subversion Repositories programming

//Written by Ira Snyder
//11-03-2004

import java.util.LinkedList;

class Queue {
        private LinkedList list;

        public Queue( ) { list = new LinkedList(); } //create an empty queue
        
        //put the item at the back of the queue
        public void enqueue( Object o ) { 
                if( list.isEmpty() ) { list.add(o); }
                else { list.addLast(o); } 
        }
        
        //remove the item from the front of the queue
        public Object dequeue() { return list.removeFirst(); }

        //check if the queue is empty
        public boolean isEmpty() { return list.isEmpty(); }
}