java program to remove duplicate words in a string
String fullString = "lol lol";
String[] words = fullString.split("\\W+");
StringBuilder stringBuilder = new StringBuilder();
Set<String> wordsHashSet = new HashSet<>();
for (String word : words) {
if (wordsHashSet.contains(word.toLowerCase())) continue;
wordsHashSet.add(word.toLowerCase());
stringBuilder.append(word).append(" ");
}
String nonDuplicateString = stringBuilder.toString().trim();java remove duplicates
public static <T> ArrayList<T> removeDuplicates(ArrayList<T> list){
Set<T> set = new LinkedHashSet<>(list);
return new ArrayList<T>(set);
}Copyright © 2021 Codeinu
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