Java Utililty Methods URL Load

ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buf = new byte[4096];
int l;
InputStream is = url.openStream();
try {
    while ((l = is.read(buf)) >= 0) {
        baos.write(buf, 0, l);
} finally {
    is.close();
return baos.toString();

InputStream inputStream = url.openStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String classLine = reader.readLine();
ArrayList<Class> classList = new ArrayList<>();
while (classLine != null) {
    Class clz = loader.loadClass(classLine);
    classList.add(clz);
    classLine = reader.readLine();
...

if (url == null) {
    return null;
InputStream in = url.openStream();
try {
    return new Manifest(in);
} finally {
    in.close();
...

return loadObject(url, false);

Properties newprops = new Properties();
InputStream in = null;
try {
    in = url.openStream();
    newprops.load(in);
} finally {
    close(in);
return newprops;

InputStream propIn = url.openStream();
try {
    p.load(propIn);
} finally {
    closeStream(propIn);

try {
    return loadProperties(url.openStream());
} catch (Exception e) {
return null;

Properties props = null;
try {
    InputStream stream = url.openStream();
    props = new Properties();
    props.load(stream);
} catch (Exception e) {
} finally {
return props;

if (propertiesFile == null || propertiesFile.length() == 0) {
    throw new IOException("No file provided");
InputStream inputStream = null;
String location;
String parentFolder;
try {
    URL temp = new URL(propertiesFile);
...

InputStream is = null;
try {
    is = url.openStream();
    Properties prop = new Properties();
    prop.load(is);
    return prop;
} finally {
    is.close();
...