### Question:
Handler extends URLStreamHandler { public static void register() { String protocols = System.getProperty(PROTOCOL_PATH_PROP); if (protocols == null) { protocols = ""; } else if (!protocols.isEmpty()) { protocols += "|"; } protocols += "com.thinkbiganalytics.kylo.protocol"; System.setProperty(PROTOCOL_PATH_PROP, protocols); }  static void register(); static void setConfiguration(@Nonnull final Configuration conf);  }### Answer:
@Test public void register() { Assert.assertEquals(Handler.class.getName(), System.getProperty(Handler.PROTOCOL_PATH_PROP) + ".hadoop.Handler"); }