Java Utililty Methods Properties Load from File

try (FileInputStream inStream = new FileInputStream(propertyFile)) {
    properties.load(inStream);
} catch (IOException e) {
    throw new IllegalArgumentException(String.format("Error loading %s", propertyFile.getAbsolutePath()),
            e);
return properties;

try (FileInputStream inStream = new FileInputStream(propertyFile)) {
    properties.load(inStream);
} catch (IOException e) {
    throw new IllegalArgumentException(String.format("Error loading %s", propertyFile.getAbsolutePath()),
            e);
return properties;

InputStream in = null;
try {
    Properties prop = new Properties();
    in = new FileInputStream(configFilePath);
    prop.load(in);
    return prop;
} catch (IOException e) {
    return null;
...

String propsFileUserPath = System.getProperty(configurationFileProperty, configurationFileDefault);
Properties props = new Properties();
props.load(new FileReader(new File(propsFileUserPath)));
return props;

Properties props = new Properties();
try (FileInputStream inputStream = new FileInputStream(configurationPath)) {
    props.load(inputStream);
return props;

try {
    Properties properties = new Properties();
    InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream(file);
    if (in != null)
        properties.load(in);
    return properties;
} catch (IOException e) {
    return null;
...

if (filename == null) {
    System.err.println("No " + filename + " properties file specified.");
    System.exit(1);
Properties props = new Properties();
try {
    FileInputStream fis = new FileInputStream(filename);
    if (fis == null) {
...

Properties properties = null;
InputStream stream = null;
try {
    stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);
    if (null == stream) {
        throw new FileNotFoundException(fileName + "is Not Found");
    properties = new Properties();
...

return loadProperties(new File(filename));

Properties prop = new Properties();
File file = new File(fileName);
BufferedInputStream in = null;
try {
    in = new BufferedInputStream(new FileInputStream(file));
    prop.load(in);
} catch (FileNotFoundException e) {
    e.printStackTrace();
...