[Demonstration 1]

[Buggy Method]
public int checkChoice(int choice) {
    while ((choice < SELECTMIN || choice > SELECTMAX) || (choice > totalSticks)) {
        if (choice > totalSticks) {
            System.out.format("There are only %d sticks. You cannot take more than that.\n", totalSticks);
            currentPlayer.makeChoice();
        } else if (choice < SELECTMIN || choice > SELECTMAX) {
            System.out.println("You can only take 1, 2 or 3 sticks.");
            currentPlayer.makeChoice();
        }
    }
    return choice;
}

[Buggy Hunk]
while ((choice < SELECTMIN || choice > SELECTMAX) || (choice > totalSticks)) {

[Patch]
while ( choice < SELECTMIN || choice > SELECTMAX || choice > totalSticks) {

[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));