Setting a class field array via reflection

[GoToLoop]

  final float[] arr;

  try {
    final Field f = tmp.getClass().getDeclaredField(attr);
    f.setAccessible(true);
    arr = (float[]) f.get(tmp);
  } 
  catch (final ReflectiveOperationException e) { 
    throw new RuntimeException(e);
  }

  println(arr);
  exit();
}