Structure Property Structure property:A heap is a binary tree that is completely filled,with the possible exception of the bottom level,which is filled from left to right.Such a tree is known as a complete binary tree. B EStructure Property ◼ Structure property: A heap is a binary tree that is completely filled, with the possible exception of the bottom level, which is filled from left to right. Such a tree is known as a complete binary tree. D E B C A F G H I J