[Demonstration 1]

[Buggy Method]
@SuppressWarnings("unchecked")
@Override
public List<Film> listFilmsByCast(int castId) {
    List list = null;
    try {
        list = filmDAO.getFilmsByCast(castId);
    } catch (RuntimeException e) {
        LOGGER.warn(e.toString());
    }
    return list;
}

[Buggy Hunk]
List list = null;

[Patch]
List<Film> list = null;

[Demonstration 2]

[Buggy Method]
public static Result service(String ownerName, String projectName, String service, boolean isAdvertise) throws IOException, UnsupportedOperationException, ServletException {
    if (!isSupportedService(service)) {
        return forbidden(String.format("Unsupported service: '%s'", service));
    }
    Project project = Project.findByOwnerAndProjectName(ownerName, projectName);
    if (project == null) {
        return notFound();
    }
    models.User user = UserApp.currentUser();
    if (!isAllowed(project, service)) {
        if (user.isAnonymous()) {
            return BasicAuthAction.unauthorized(response());
        } else {
            // If you want the Git client showing your custom message to
            // the user, the Content-Type should be exact "text/plain"
            // without any parameter. For more details, see the code at
            // https://github.com/git/git/commit/426e70d4a11ce3b4f70636d57c6a0ab16ae08a00#diff-eea0ad565ec5903a11b6023755d491cfR154
            response().setHeader("Content-Type", "text/plain");
            return forbidden(String.format("'%s' has no permission to '%s/%s'.", user.name, ownerName, projectName));
        }
    }
    if (isAdvertise) {
        return ok(RepositoryService.gitAdvertise(project, service, response()));
    } else {
        if (request().body().isMaxSizeExceeded()) {
            return status(REQUEST_ENTITY_TOO_LARGE);
        } else {
            user.visits(project);
            return ok(RepositoryService.gitRpc(project, service, request(), response()));
        }
    }
}

[Buggy Hunk]
user.name, ownerName, projectName));

[Patch]
user.loginId, ownerName, projectName));

[Demonstration 3]

[Buggy Method]
@Override
public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
    PluginResult pr;
    boolean isPackageName = false;
    if (args.length > 1)
        isPackageName = args.getBoolean(1);
    if (isPackageName) {
        List<ApplicationInfo> packages = null;
        PackageManager packageManager = null;
        boolean isIntentSafe = false;
        packageManager = cordova.getActivity().getPackageManager();
        packages = packageManager.getInstalledApplications(0);
        for (ApplicationInfo packageInfo : packages) {
            if (packageInfo.packageName.equals(args.getString(0)))
                isIntentSafe = true;
        }
        pr = new PluginResult(Status.OK, isIntentSafe);
        callbackContext.sendPluginResult(pr);
        return false;
    } else {
        Uri uriToTest = Uri.parse(args.getString(0) + "://");
        Intent intent = new Intent(Intent.ACTION_DEFAULT, uriToTest);
        PackageManager packageManager = cordova.getActivity().getPackageManager();
        List<ResolveInfo> activities = packageManager.queryIntentActivities(intent, 0);
        boolean isIntentSafe = activities.size() > 0;
        pr = new PluginResult(Status.OK, isIntentSafe);
        callbackContext.sendPluginResult(pr);
        return false;
    }
}

[Buggy Hunk]
if(args.length > 1)

[Patch]
if(args.length() > 1)