String remove duplicate method in java
public static void main(String[] args) { String result = removeDup("AAABBBCCC"); System.out.println(result); // ABC public static String removeDup( String str) { String result = ""; for (int i = 0; i < str.length(); i++) if (!result.contains("" + str.charAt(i))) result += "" + str.charAt(i); return result; } }
java remove duplicates
public static <T> ArrayList<T> removeDuplicates(ArrayList<T> list){ Set<T> set = new LinkedHashSet<>(list); return new ArrayList<T>(set); }
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