[مخالف]ارجو المساعده

public class QueueExample {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
 Queue<String>qe=new LinkedList<String>() ;
 qe.add("b");
 qe.add("a");
 qe.add("c");
 qe.add("e");
 qe.add("d");
 Iterator it=qe.iterator();
 System.out.println("Iterator Size of Queue :"+qe.size());
 while(it.hasNext())
 {
 String  iteratorValue=(String)it.next();
 System.out.println("Queue Next Value:"+iteratorValue);
 }
 System.out.println("Queue peek:"+qe.peek());
 System.out.println("Queue poll:"+qe.poll());
 System.out.println("Final Size of Queue:"+qe.size());


     
 }
 
 
    }

    
 
 

add some code in the main to test all the queue features

employ the above skeleton to build a system keeps track for customers which may help a cashier a very crowded shop to serve first who came earliest