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Level 137

[No Typing] Collections: Set Interface


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add()
Adds an object to the collection
clear()
Removes all objects from the collection
contains()
Returns true if a specified object is an element within the collection
isEmpty()
Returns true if the collection has no elements
iterator()
Returns an Iterator object for the collection which may be used to retrieve an object
remove()
Removes a specified object from the collection
size()
Returns the number of elements in the collection