Util { public static native String NamingJoin(List<String> elements);  static native String Encode(String s); static native String EncodeId(Id id); static native String NamingJoin(List<String> elements);  }
@Test public void testNamingJoin() { assertEquals("a/b/c", Util.NamingJoin(Arrays.asList("a", "b", "c"))); }