Java Utililty Methods Properties Load from File

if (!checkNotNull(propertiesFile).exists()) {
    return new Properties();
InputStream in = null;
try {
    in = new BufferedInputStream(new FileInputStream(propertiesFile));
    Properties properties = new Properties();
    if (propertiesFile.getName().endsWith(".xml")) {
...

try (InputStream is = key.getResourceAsStream(env + ".properties")) {
    final Properties rval = new Properties(defaults);
    rval.load(is);
    return rval;
} catch (final Exception e) {
    return new Properties(defaults);

for (final String key : toLoad.stringPropertyNames()) {
    final String value = toLoad.getProperty(key);
    assert value != null;
    props.setProperty(key, value);

final Properties properties = new Properties();
try (InputStream in = new FileInputStream(new File(folder, fileName))) {
    properties.load(in);
return properties;

Properties p = new Properties();
try {
    p.load(in);
} catch (FileNotFoundException e) {
    e.printStackTrace();
} catch (IOException e) {
    e.printStackTrace();
return p;

Properties props = new Properties();
try {
    props.load(input);
} catch (IOException e) {
} finally {
    if (input != null)
        try {
            input.close();
...

LinkedHashMap<String, String> properties = new LinkedHashMap<String, String>();
BufferedReader in = new BufferedReader(new InputStreamReader(inputStream));
while (true) {
    String line = in.readLine();
    if (line == null)
        return properties;
    if (line.length() > 0) {
        int len = line.length();
...

try (BufferedReader in = new BufferedReader(new InputStreamReader(is))) {
    String line;
    StringBuilder responseData = new StringBuilder();
    while ((line = in.readLine()) != null) {
        responseData.append(line).append(NEW_LINE);
    return responseData.toString();

load(stream, false);

if (new File(fileName).exists()) {
    try {
        load(map, new FileInputStream(fileName));
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e);