Const char as class member

class CSomething {
    public:
        enum {
            SOME_DEFINE = 10,
            NEXT_DEFINE
        };
}

class CSomething {
    public:
        const char *STRING_DEFINE = "some constant code";
}

main ()
{
    printf ("the code is: %s", CSomething::STRING_DEFINE);
}

class testclass {
public:
    static const char *teststring;
};

const char *testclass::teststring = "hello";

int main(int argc, char **argv) {
    cout << testclass::teststring << endl;
}

class testclass {
public:
    static const char* const teststring;
};

const char* const testclass::teststring = "hello";

int main(int argc, char **argv) {
    cout << testclass::teststring << endl;
}