Using a class to store static data in Java?

Question

Is it a bad idea creating a separate class and use it as a storage which consists only of static data variables?

I am currently developing an app for android, but th

Answer 1

use SharedPreference to store flags and variables

http://developer.android.com/reference/android/content/SharedPreferences.html

For Global variable:

it would be better to use the Android Application class. It's meant to store global application state