@@ -0,0 +1,295 @@
+public String mixString(String a, String b) %7B%0A  String out = %22%22;%0A  int length = Math.max(a.length(), b.length());%0A  for (int i=0; i%3Clength; i++) %7B%0A    if (i %3C a.length()) out += Character.toString(a.charAt(i));%0A    if (i %3C b.length()) out += Character.toString(b.charAt(i));%0A  %7D%0A  return out;%0A%7D%0A

Create mixString.java