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;
}
}