Posted On: Feb 22, 2018
Difference between HashSet and HashMap are given below:
|The set interface is implemented by the HashSet class.||The map interface is implemented by the HashMap class.|
|Objects like elements or values are stored inside the HashSet. For example, if there is HashSet of string elements then it can portray a set of HashSet elements.||Key and value pairs are stored in HashMap. In other words, the mapping of Key and value is maintained by HashMap.|
|Duplicate elements are not allowed in HashSet, i.e., no duplicate values can be stored in it.||Duplicate Key is not allowed in HashMap, but duplicate values can be stored.|
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