I’ve read many times what HashMap and ArrayList are, but I still can’t understand they use and how are they different from Vector for example.
I’ve read many times what HashMap and ArrayList are, but I still can’t understand
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I’ve read many times what HashMap and ArrayList are, but I still can’t understand they use and how are they different from Vector for example.
And
ArrayListis a container of the family ofLists that stores a sequence of objects such as “car1”, “car2”, etc…A
HashMapis a container of the typeMapwhich maps keys to values, such as “car1 => red”, “car2=>blue”, etc…