Answer by Marc for First non repeated character
Welcome to Code Review. There are already excellent answers, I am adding an alternative solution running in \$O(n)\$ and relatively simple to understand.private static void...
View ArticleAnswer by Dorian Gray for First non repeated character
I would do it without the additional set as follows. Basically same approach as here, but with a different return value.public class FirstNonRepeatedChar { public static void main(String[] args) {...
View ArticleAnswer by greybeard for First non repeated character
One point I don't find addressed in Joop Eggen's answer:don't write, never present un(doc)commented codeMy take is entirely similar to his, isolating determination of the result from use: /** @return...
View ArticleAnswer by Joop Eggen for First non repeated character
There are some weak spots, but an optimal algorith would need:To check all characters for unique ones.So:Optional<Character> firstNonRepeatingChar(String s) { Set<Character> candidates =...
View ArticleFirst non repeated character
Problem Statement :Print the first non repeating character in a string.Example :In the string somecharsjustdon'tliketorepeat, m is the first non-repeating charecter.My attempt :New Code : Old one was...
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