public class INFO {
    // 错误
    public static final String[] VALUES = {};

    // 下面两种正确
    private static final String[] VALUES1 = {};
    public static final String[] getValues1(){
        return VALUES1.clone();
    }

    private static final String[] VALUES2 = {};
    private static final List<String> private_value2 = Collections.unmodifiableList(Arrays.asList(VALUES2));
    
}