def __init__(self, sourceCollection=None):
self._front = None
self._rear = None
AbstractQueue.__init__(self, sourceCollection)
def __init__(self, items = None):
self.clear()
AbstractQueue.__init__(self, items)
def __init__(self, sourceCollection = None):
self._items = Array(ArrayQueue2.DEFAULT_CAPACITY)
AbstractQueue.__init__(self, sourceCollection)
self._front = 0
self._rear = max(len(self) - 1, 0)