frequency of number in java using hashmap using getordefault
Map<Character,Integer> frequencies = new HashMap<>();
for (char ch : input.toCharArray())
frequencies.put(ch, frequencies.getOrDefault(ch, 0) + 1);frequency of number in java using hashmap using getordefault
Map<Character,Integer> frequencies = new HashMap<>();
for (char ch : input.toCharArray())
frequencies.put(ch, frequencies.getOrDefault(ch, 0) + 1);Copyright © 2021 Codeinu
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