[Demonstration 1]

[Buggy Method]
public Image getImage() throws IOException {
    Image img = ImageIO.read(f);
    int imgWidth = img.getWidth(null);
    int imgHeight = img.getHeight(null);
    double scaleFactor = (imgHeight + 0.0) / 480;
    int scaledHeight = (int) (imgHeight / scaleFactor);
    int scaledWidth = (int) (imgWidth / scaleFactor);
    Image resizedImg = img.getScaledInstance(scaledWidth, scaledHeight, Image.SCALE_SMOOTH);
    Image newImage = resizedImg;
    // Do we need to rotate the image?
    try {
        Metadata metadata = ImageMetadataReader.readMetadata(f);
        Directory directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class);
        int orientation = 1;
        if (directory != null) {
            orientation = directory.getInt(ExifIFD0Directory.TAG_ORIENTATION);
            AffineTransform transform = getTransform(orientation, scaledWidth, scaledHeight);
            newImage = transformImage(toBufferedImage(newImage), transform);
        }
    } catch (MetadataException me) {
        me.printStackTrace();
    } catch (ImageProcessingException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return newImage;
}

[Buggy Hunk]
if (directory != null) {

[Patch]
if (directory != null && directory.containsTag(ExifIFD0Directory.TAG_ORIENTATION)) {

[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]
public void calculateAngleY() {
    setY = ((imgHeight - (locY + blobOffset)) / (camFOV));
}

[Buggy Hunk]
setY = ((imgHeight - (locY + blobOffset)) / (camFOV));

[Patch]
setY = RobotCommon.runningRobot.arm.getAngle() + ((imgHeight / 2 - (locY))) / imgHeight * camFOV;