YES when the Collection and the argument Collection cltn have the same list of Object pointers. YES if ob is contained in this Collection . YES if this Collection is empty. YES if this Collection and the argument cltn are comparable and they have equal values. Returns the number of objects in this Collection .
Containers usually use the member variable pos .state to hold a pointer to such an object.
Returns a pointer to the next object in this Collection , or 0 if no more objects remain. The Iterator argument pos maintains the state of the iteration for a container so that multiple iterations may be active concurrently for the same container. A container can therefore be destroyed without knowing its specific class. None Go to the previous , next section.