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Treat public static fields as constants and declare them as final. Consider the use of enum types in the following example.

public class MyClass {
    public static final int LEFT  = 1;
    public static final int RIGHT = 2;
}

The FuncLoader static instance in the noncompliant example could have been declared as final as below.

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public static final FuncLoader m_functions;
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Additionally for mutable static state one can define assessor methods and add appropriate security checks. Note that this is a different example and in this case the scope of the static variable has been changed to private.

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