title: How to get the position of a element in a Queue
body: <p>Is there a simpel way to get the current position of a element in a Queue for example:</p>
  
  <p>My current queue is [1,0,5,4,7,8,6]</p>
  
  <p>i want to know the position of the 4 in this queue, in this exampel its 3, is there a way to achieve this with the java queue?</p>