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When you finished a task on Codewars: public class Printer public static String printerError(String controlString) int badCharCounter 0; StringBuilder builder new StringBuilder (); for (int i 0; 1 controlString. length (); i) if ((int) controlString.charAt (i) 110) badCharCounter; builder.append (badCharCounter) .append ("") .append (controlString. length()); return new String (builder); That's pretty nice, let's see how others did it: public class Printer public static String printerError (String s) return s.replaceAll("a-m", , "). length() " s. length():
