java - Counting duplicate values in Hashmap - Stack Overflow works with, It is only possible if both key and value are of same type. eg: Duplicate keys are not allowed in hashmap. Then you can simply put them in HashSet of String. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? In order to get values in Hashmap, you are required to iterate across it. To learn more, see our tips on writing great answers. STEP 5: PRINT "Duplicate characters in a given string:" STEP 6: SET i = 0. There could be 5 occuring 3 times or there might be some other values more than once. HashMap in Java with Examples - GeeksforGeeks How to tell which packages are held back due to phased updates. HashMap is similar to HashTable, but it is unsynchronized. HashMap
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