Java Utililty Methods Text File Load

try {
    try (FileInputStream fileStream = new FileInputStream(textFile)) {
        return new String(loadBytes(fileStream));
} catch (IOException e) {
    throw new RuntimeException(e);

final FileReader fileReader = new FileReader(filePath);
final BufferedReader bufReader = new BufferedReader(fileReader);
String line = null;
final StringBuilder result = new StringBuilder();
while ((line = bufReader.readLine()) != null) {
    result.append(line);
bufReader.close();
...

StringBuffer text = new StringBuffer();
BufferedReader input;
try {
    File f = new File(fileFullPath);
    input = new BufferedReader(new FileReader(f));
    while (input.readLine() != null) {
        text.append(input.readLine() + "\n");
    input.close();
} catch (Exception ioe) {
    return ioe.getMessage();
return text.toString();

BufferedReader br = new BufferedReader(new FileReader(fileName));
String text = "";
try {
    StringBuilder sb = new StringBuilder();
    String line = br.readLine();
    while (line != null) {
        sb.append(line);
        sb.append("\n");
...

List<String> ls = new ArrayList<String>();
String line = "";
BufferedReader reader = null;
try {
    reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));
    while ((line = reader.readLine()) != null) {
        ls.add(line.trim());
} catch (FileNotFoundException fnfe) {
    System.err.println("Erreur fichier : " + filename + " indisponible");
    System.exit(1);
    return null;
} catch (IOException ioe) {
    System.err.println("Erreur sur fichier : " + filename);
    ioe.printStackTrace();
    System.exit(1);
    return null;
} finally {
    if (reader != null)
        reader.close();
return ls;

return loadTextFile(fileName, null);

String[] tmpLines = new String[maxLines];
BufferedReader file = new BufferedReader(new FileReader(filename));
int n;
try {
    String line = file.readLine();
    for (n = 0; line != null && n < tmpLines.length; n++) {
        tmpLines[n] = line;
        line = file.readLine();
...

if (!new File(fileName).exists())
    return null;
FileInputStream fileInputStream = new FileInputStream(fileName);
InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, charsetForTextFiles);
List<String> lines = new ArrayList<String>();
try {
    BufferedReader reader = new BufferedReader(inputStreamReader);
    String line;
...