In this chapter, we had a look at the collections framework and the three types of collection: List
, Set
, and Map
. We explored ArrayList
in the List
collection, and also explored an example of ArrayList
. The Set
collection is different from ArrayList
—the major difference is that Set
does not accept duplicate values. In the last collection, that is, the Map
collection, we saw two types, HashMap
and HashTable
, and the differences between the two.
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