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Editorial Team
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Asked: 2026-06-12T19:54:13+00:00

I need to set a boolean variable at runtime that can be accessed by

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I need to set a boolean variable at runtime that can be accessed by any other class (without having to pass the variable around from class to class). This variable will be a configuration setting, and will depend on some value set by the user at runtime.

I suspect a singleton is the way to go, but having spent the morning reading up on it, I seem to find a lot of examples (& arguments) on the best way to create them, without any mention of how to actually use them.

Is singleton the way to solve this?

If so, can anyone provide an example of a singleton, that can have a boolean value set, that can be accessed statically from any other class?

EDIT: I’m such an idiot (totally overcomplicating the problem, and missing the simplest solution).

public static volatile boolean yourBoolean; Looks like it’ll work perfectly

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  1. Editorial Team

    If you just need a boolean value, there is no need to use a singleton. Just declare a:

    public static volatile boolean yourBoolean;

    (with the volatile keyword to make sure that all changes made are visible across threads if you are in a multi-threaded environment).

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