[Demonstration 1]

[Buggy Method]
synchronized boolean setAdditionalAdjustment(float[] adj) {
    if (!mUseColorAdjustment) {
        return false;
    }
    if (DEBUG) {
        Slog.d(TAG, "setAdditionalAdjustment: " + Arrays.toString(adj));
    }
    // Sanity check this so we don't mangle the display
    if (validateColors(adj)) {
        System.arraycopy(adj, 0, mAdditionalAdjustment, 0, 3);
        updateColorAdjustment();
        return true;
    }
    return false;
}

[Buggy Hunk]
System.arraycopy(adj, 0, mAdditionalAdjustment, 0, 3);

[Patch]
copyColors(adj, mAdditionalAdjustment);

[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));