[Demonstration 1]

[Buggy Method]
@Override
protected IStatus run(IProgressMonitor monitor) {
    monitor.beginTask("GET_DISK_LIMIT", 100);
    try {
        TaskStatusNotification taskStatus = (TaskStatusNotification) event.getProperty("org.eclipse.e4.data");
        byte[] data = taskStatus.getResult().getResponseData();
        final Map<String, Object> responseData = new ObjectMapper().readValue(data, 0, data.length, new TypeReference<HashMap<String, Object>>() {
        });
        Display.getDefault().asyncExec(new Runnable() {

            @Override
            public void run() {
                String result = (String) responseData.get("Result");
                System.out.println(result);
            }
        });
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        Notifier.error("", Messages.getString("UNEXPECTED_ERROR_ACCESSING_RESOURCE_USAGE"));
    }
    monitor.worked(100);
    monitor.done();
    return Status.OK_STATUS;
}

[Buggy Hunk]
Notifier.error("", Messages.getString("UNEXPECTED_ERROR_ACCESSING_RESOURCE_USAGE"));

[Patch]
Notifier.error("","Hata Oluştu");

[Demonstration 2]

[Buggy Method]
private void populateMoviesList() {
    TheMovieDBApi api = new TheMovieDBApi();
    URL urlList;
    if (sortmovies == 0) {
        urlList = api.getPopularMoviesUrl();
    } else {
        urlList = api.getTopRatedMoviesUrl();
    }
    new MoviesFetcher().execute(urlList);
}

[Buggy Hunk]
TheMovieDBApi api = new TheMovieDBApi();

[Patch]
TMDBApi api = new TMDBApi();

[Demonstration 3]

[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));