Designing a routing system

Question

Hi...
I'm trying to design a routing system for a food factory. There are 3 procssing machines, and 2 packing machines.
Food is moved along 'queues', and the routing system accepts food from a processing machine, it then asks the packing machine 'which is the shortest queue', and gives the food to that machine.
The machines are in charge of interacting with the queues, The routing system only deals with the machines. I've created an array of only two packing machines in the constructor, and have just on method called run, which will deal with the rest.
the class simply needs to have a method that accepts object, and then it simply asks each machine how long the queue is and puts this object onto the shortest.
I'm having trouble getting started on this, and would appreciate any help.
Cheers

Answer 1

In a similar vein:
public class machine {
   Queue q;
   String name;
   public Machine( String name ) {
      q = new Queue();
      this.name = name
}and...
public class packingMachine extends machine {
   public packingMachine( String name ) {
      Super( name );
}and since a Queue object can be implemented as a Vector, a linked list, an array... I will leave it up to you to decide what's the best way to create a Queue object.