June 2018
Beginner
722 pages
18h 47m
English
Content preview from Introduction to Programming
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size(), isEmpty(), and clear()
These three methods are straightforward:
- size(): It returns count of key-value pairs (entries) in the map
- isEmpty(): It returns true if there is nokey-value pairs (entries) in the map (size() returns 0)
- clear(): It removes allkey-value pairs (entries) from the map, so that isEmpty() returns true and size() returns 0
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