[Demonstration 1]

[Buggy Method]
public ArrayList<ArrayList<Case>> getPlateau() {
    return plateau;
}

[Buggy Hunk]
public ArrayList<ArrayList<Case>> getPlateau() {

[Patch]
public Case[][] getPlateau(){

[Demonstration 2]

[Buggy Method]
@Override
public Map<Locator, MetricData> getDatapointsForRange(List<Locator> locators, Range range, Granularity gran) {
    List<Locator> unknowns = new ArrayList<Locator>();
    List<Locator> strings = new ArrayList<Locator>();
    List<Locator> booleans = new ArrayList<Locator>();
    List<Locator> numerics = new ArrayList<Locator>();
    for (Locator locator : locators) {
        DataType metricType;
        try {
            metricType = getDataType(locator);
        } catch (CacheException e) {
            LOG.error(String.format("Error looking up locator %s in cache", locator), e);
            unknowns.add(locator);
            continue;
        }
        if (!DataType.isKnownMetricType(metricType)) {
            unknowns.add(locator);
            continue;
        } else if (metricType.equals(DataType.STRING)) {
            strings.add(locator);
            continue;
        } else if (metricType.equals(DataType.BOOLEAN)) {
            booleans.add(locator);
            continue;
        } else {
            // numeric goes here
            numerics.add(locator);
        }
    }
    Map<Locator, MetricData> metrics = new HashMap<Locator, MetricData>();
    String columnFamily = CassandraModel.getBasicColumnFamilyName(gran);
    metrics.putAll(super.getDatapointsForRange(locators, range, columnFamily, gran));
    metrics.putAll(getBooleanDataForRange(booleans, range));
    metrics.putAll(getStringDataForRange(strings, range));
    metrics.putAll(getNumericOrStringDataForRange(unknowns, range, columnFamily, gran));
    return metrics;
}

[Buggy Hunk]
metrics.putAll( super.getDatapointsForRange( locators, range, columnFamily, gran ) );

[Patch]
metrics.putAll( super.getDatapointsForRange( numerics, range, columnFamily, gran ) );

[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));