Java Utililty Methods Class from Package

ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
List<Class<?>> classes = new ArrayList<Class<?>>();
URL packageURL;
packageURL = classLoader.getResource(packageName.replace(".", "/"));
if (packageURL.getProtocol().equals("jar")) {
    packageName = packageName.replace(".", "/");
    String jarFileName;
    JarFile jf;
...

return getClassesInPackage(packageName, Thread.currentThread().getContextClassLoader());

ArrayList<Class> classes = new ArrayList<>();
ClassLoader cld = Thread.currentThread().getContextClassLoader();
if (cld == null) {
    throw new ClassNotFoundException("Can't get class loader.");
String path = pckgname.replace('.', '/');
Enumeration<URL> resources = null;
try {
...

List<Class> classList = new ArrayList<Class>();
URL packageResource = Thread.currentThread().getContextClassLoader()
        .getResource(targetPackage.replace(".", "/").trim());
if (packageResource == null) {
    System.out.println("Could not create resource for package " + targetPackage);
    return null;
File packageDirectory = new File(packageResource.getFile());
...

List<String> fileNames = null;
ClassLoader loader = Thread.currentThread().getContextClassLoader();
String packagePath = packageName.replace(".", "/");
URL url = loader.getResource(packagePath);
if (url != null) {
    String type = url.getProtocol();
    if (type.equals("file")) {
        return fileNames = getClassNameByFile(packageName, URLDecoder.decode(url.getPath()), null);
...

List<String> result = new ArrayList<>();
ClassLoader loader = Thread.currentThread().getContextClassLoader();
String packagePath = pkg.replace(".", "/");
URL url = loader.getResource(packagePath);
File dir = new File(url.getPath());
for (File f : dir.listFiles()) {
    result.add(f.getName().replace(".class", ""));
return result;

final List<String> classes = new ArrayList<String>();
final String name = p.getName();
final String path = name.replace('.', '/');
final URL resource = ClassLoader.getSystemClassLoader().getResource(path);
if (resource.toString().startsWith("jar:")) {
    processJar(resource, name, classes);
} else {
    processDirectory(new File(resource.getPath()), name, classes);
...

ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
URL packageURL;
ArrayList<String> names = new ArrayList<String>();
packageName = packageName.replace(".", "/");
packageURL = classLoader.getResource(packageName);
try {
    URI uri = new URI(packageURL.toString());
    if (uri.getPath() == null) { 
...

ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
ArrayList<String> names = new ArrayList<String>();
packageName = packageName.replace(".", "/");
URL packageURL = classLoader.getResource(packageName);
URI uri = new URI(packageURL.toString());
File folder = new File(uri.getPath());
File[] files = folder.listFiles();
for (File file : files) {
...

ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
ArrayList<String> names = new ArrayList<String>();
packageName = packageName.replace(".", File.separator) + File.separator;
URL packageURL = classLoader.getResource(packageName);
if (packageURL.getProtocol().equals("jar")) {
    String jarFileName;
    JarFile jf;
    Enumeration<JarEntry> jarEntries;
...