public class MainActivity extends Activity {
<<<<<<< HEAD
    final String TAG = MainActivity.class.getSimpleName();
    private IabHelper mHelper;
    //...rest of the code
    //after 250 lines of code or so again
    //...
        }
    };
=======
    private IabHelper mHelper;
    //this field and all next ones, till the end, are repeated
    //then in the end of a source file, there was
   }
};
>>>>>>> 4
}