Java Utililty Methods BufferedReader Read All

BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
List<String> data = new ArrayList<>();
for (String line; (line = br.readLine()) != null;) {
    data.add(line);
return data;

List<String> ls = new ArrayList<String>();
BufferedReader buffer = new BufferedReader(new InputStreamReader(is));
String line;
while ((line = buffer.readLine()) != null) {
    ls.add(line);
return ls;

List<String> fileContent = new ArrayList<String>();
File file = new File(filepath);
BufferedReader input = new BufferedReader(new FileReader(file));
try {
    String line = null;
    while ((line = input.readLine()) != null) {
        fileContent.add(line);
} finally {
    if (input != null)
        input.close();
return fileContent;

if (isFileAvailableOnClasspath(resourceBase, dataLocation)) {
    return readFullStream(resourceBase.getResourceAsStream(dataLocation));
} else {
    return null;

final List<String> scriptContent = new ArrayList<String>();
for (int i = 0; i < dataLocations.length; i++) {
    String content = readAllStreamFromClasspathBaseResource(resourceBase, dataLocations[i]);
    if (content != null) {
        scriptContent.add(content);
return scriptContent;
...

StringBuilder sb = new StringBuilder();
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null)
    sb.append(line + "\n");
br.close();
return sb.toString();

if (file == null || !file.exists())
    return null;
BufferedReader reader;
StringBuilder builder = new StringBuilder();
try {
    reader = new BufferedReader(new FileReader(file));
    String line;
    while ((line = reader.readLine()) != null)
...

try (final BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
    final StringBuffer buff = new StringBuffer();
    String line = null;
    while ((line = reader.readLine()) != null) {
        buff.append(line + System.lineSeparator());
    return buff.toString();
} catch (NullPointerException e) {
...

BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
StringBuilder result = new StringBuilder();
while (true) {
    String s = reader.readLine();
    if (s == null) {
        return result.toString();
    result.append(s);
...

BufferedReader reader = new BufferedReader(new FileReader(filePath));
StringBuilder result = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null)
    result.append(line).append("\r\n");
reader.close();
return result.toString();