@Override
	public void validateInput(final Command command, final Context ctx) throws ValidationException {
		checkRequiredInputKeys(command, ctx);
		checkInput(command, ctx);
	}
@Override
	public void validateInput(final Command command, final Context ctx) throws ValidationException {
		checkRequiredInputKeys(command, ctx);
		checkInput(command, ctx);
	}
@ Override public void validateInput ( final Command command , final Context ctx ) throws ValidationException { checkRequiredInputKeys ( command , ctx ) ; checkInput ( command , ctx ) ; }
Checks required input keys, and then delegates to checkInput();
Checks required input keys and then delegates to checkInput () ;