Java Utililty Methods FileReader Read

Reader in = new FileReader(file);
StringWriter out = new StringWriter();
copy(in, out);
return out.toString();

StringWriter s = new StringWriter();
char[] buff = new char[1000];
FileReader in = new FileReader(file);
try {
    int read = 0;
    while ((read = in.read(buff)) >= 0) {
        s.write(buff, 0, read);
} finally {
    in.close();
return s.toString();

FileReader a = null;
char[] d = null;
try {
    a = new FileReader(file);
    int b;
    int c = 0;
    char[] e = null;
    b = a.read();
...

FileReader reader = new FileReader(file);
char buf[] = new char[512];
StringBuilder builder = new StringBuilder(512);
try {
    int charsRead;
    do {
        charsRead = reader.read(buf);
        if (charsRead > 0) {
...

char[] buffer = new char[BUFFER_SIZE];
StringBuilder builder = new StringBuilder();
int length;
try (FileReader reader = new FileReader(file)) {
    while ((length = reader.read(buffer)) != -1) {
        builder.append(buffer, 0, length);
return builder.toString();

FileReader reader = new FileReader(file);
char buffer[] = new char[(int) file.length()];
reader.read(buffer);
return new String(buffer);

FileReader fileReader = new FileReader(file);
StringBuffer content = new StringBuffer();
int read = fileReader.read();
while (read != -1) {
    content.append((char) read);
    read = fileReader.read();
return content.toString();
...

String content = null;
FileReader reader = null;
try {
    reader = new FileReader(file);
    char[] chars = new char[(int) file.length()];
    reader.read(chars);
    content = new String(chars);
    reader.close();
...

char[] buffer = new char[(int) file.length()];
Reader reader = null;
try {
    reader = new FileReader(file);
    reader.read(buffer);
    return new String(buffer);
} catch (IOException ex) {
    throw new RuntimeException(ex);
...

if (!iFile.exists())
    throw new FileNotFoundException("file not found: " + iFile.getAbsolutePath());
long iFileLength = iFile.length();
if (0 == iFileLength)
    return "";
int bufferSize = (int) Math.min(iFileLength, (long) DEFAULT_BUFFER_SIZE);
FileReader fr = new FileReader(iFile);
String result = readStream(fr, bufferSize);
...