Java Utililty Methods BufferedReader Read

return readAll(new FileReader(filename));

StringBuilder buf = new StringBuilder();
FileReader file = new FileReader(filename);
BufferedReader rdr = new BufferedReader(file);
String line;
while ((line = rdr.readLine()) != null) {
    if (line.startsWith("#"))
        continue;
    buf.append(line + "\n");
...

StringBuilder sb = new StringBuilder();
final BufferedReader bufferedReader = new BufferedReader(new FileReader(fileName));
String line = bufferedReader.readLine();
while (line != null) {
    sb.append(line).append("\n");
    line = bufferedReader.readLine();
return sb.toString();
...

FileReader fr = new FileReader(filename);
BufferedReader br = new BufferedReader(fr);
String line;
String query = "";
while ((line = br.readLine()) != null)
    query += line + "\n";
br.close();
fr.close();
...

FileReader input = new FileReader(filename);
BufferedReader bufRead = new BufferedReader(input);
String line = "";
StringBuffer txt = new StringBuffer(bufRead.readLine());
txt.append("\n");
while (line != null) {
    line = bufRead.readLine();
    txt.append(line);
...

return readFile(new File(filename));

BufferedReader bufferedReader = null;
FileReader fileReader = null;
String string = "";
try {
    fileReader = new FileReader(fileName);
    bufferedReader = new BufferedReader(fileReader);
    String temp = null;
    string = "";
...

return readFile(new File(filename));

try {
    BufferedReader br = new BufferedReader(new FileReader(fileName));
    StringBuffer sb = new StringBuffer();
    String line = null;
    while ((line = br.readLine()) != null) {
        sb.append(line);
        sb.append('\n');
    br.close();
    return sb.toString();
} catch (Exception e) {
    e.printStackTrace();
return null;

StringBuilder buf = new StringBuilder();
File xx = new File(filename);
if (!xx.canRead()) {
    int x = 0;
FileReader file = new FileReader(filename);
BufferedReader rdr = new BufferedReader(file);
String line;
...