Java Type Aliasing

aliasing.java

class Aliasing {

  // Put your type alias right before the return value.
  public static <L extends Long> String parseToHex(String str) {
    return L.toHexString(L.parseLong(str));
  }

  // Use this for when you have some ugly type.
  public static <MAP extends Map<String,Set<String>>> boolean addToKey(String key, String value) {
    MAP x = service.getKeyMap();
    Set<String> strings = x.get(key);
    return strings.add(value);
  }

}