@@ -0,0 +1,255 @@
+// http://codingbat.com/prob/p115967%0A%0Apublic List%3CString%3E noYY(List%3CString%3E strings) %7B%0A  strings = strings.stream()%0A    .map(string -%3E string + %22y%22)%0A    .filter(string -%3E !string.contains(%22yy%22))%0A    .collect(Collectors.toList());%0A    %0A  return strings;%0A%7D%0A

Create noYY.java