### Question:
CommandFailedRuntimeException extends SRuntimeException { public String getCommandClassName() { return commandClassName; } CommandFailedRuntimeException(Throwable cause,
            String commandClassName); String getCommandClassName();  }### Answer:
@Test public void test() throws Exception { CommandFailedRuntimeException e = new CommandFailedRuntimeException( new Exception(), "aaa"); assertEquals("aaa", e.getCommandClassName()); System.out.println(e.getMessage()); }