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tremaineeto/keepCountOfCharactersInStringWithGetOrDefault.java

Created April 28, 2021 07:02
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keepCountOfCharactersInStringWithGetOrDefault.java
public void keepCountOfCharactersInStringWithGetOrDefault(String str) {
HashMap<Character, Integer> map = new HashMap<>();
for (int i = 0; i < str.length(); i++) {
map.put(str.charAt(i), map.getOrDefault(str.charAt(i), 0) + 1);
}
}
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