@@ -0,0 +1,173 @@
+public String repeatSeparator(String word, String sep, int count) %7B%0A  String out = %22%22;%0A  for (int i=0; i%3Ccount; i++)%0A    out += word + (i%3Ccount-1 ? sep:%22%22);%0A  return out;%0A%7D%0A

Create repeatSeparator.java