50. Code that uses the GenericQueue class

• 
  GenericQueue<String> q1 = new GenericQueue<>();
  q1.push("Item One");
  q1.push("Item Two");
  q1.push("Item Three");
  System.out.println(
      "The queue contains " + q1.size() + " items");
  while (q1.size() > 0)
      System.out.println(ql.pull());
  System.out.println(
      "The queue now contains " + ql.size() + " items");
  
  

  Resulting output

  
  The queue contains 3 items
  Item One
  Item Two
  Item Three
  The queue now contains 0 items