Java Utililty Methods BufferedReader Copy

while (true) {
    String line = in.readLine();
    if (line == null) {
        break;
    out.write(line);
    out.newLine();
    out.flush();
...

Reader reader = new BufferedReader(new FileReader(from));
Writer writer = new BufferedWriter(new FileWriter(to));
int ch;
while ((ch = reader.read()) != -1) {
    writer.write(ch);
reader.close();
writer.close();
...

InputStream is = new FileInputStream(orgFile);
FileOutputStream fos = new FileOutputStream(dstFile);
byte[] readData = new byte[1024];
int i = is.read(readData);
while (i != -1) {
    fos.write(readData, 0, i);
    i = is.read(readData);
is.close();
fos.close();

if (!original.exists()) {
    return;
createFile(copy);
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(original)));
PrintWriter pw = new PrintWriter(new FileWriter(copy));
try {
    String line = br.readLine();
...

BufferedReader br = new BufferedReader(new FileReader(source));
BufferedWriter bw = new BufferedWriter(new FileWriter(dest));
String result = "";
try {
    while ((result = br.readLine()) != null) {
        String a = dest.getName().replaceAll("\\.", "_");
        result = result.replaceAll("OG_", a);
        bw.write(result + "\r\n");
...

if (src.isFile()) {
    if (!src.exists()) {
        throw new Exception("Source File does not exist");
    if (!dst.exists()) {
        if (!dst.createNewFile()) {
            throw new Exception("Could not create Destination File");
    if (dst.isFile() && dst.canWrite()) {
        Writer output = new BufferedWriter(new FileWriter(dst));
        output.write(getContents(src));
        output.close();
    } else {
        throw new Exception("Problem writing file: " + dst);
} else {
    throw new Exception("Util: Invalid File Provided");

copyFile(new File(orig), new File(dest));

File s = new File(source);
File d = new File(dest);
copyFile(s, d);

BufferedReader inFile = null;
PrintWriter outFile = null;
String line;
try {
    inFile = new BufferedReader(new FileReader(src));
    outFile = new PrintWriter(new FileOutputStream(dst));
    while ((line = inFile.readLine()) != null)
        outFile.println(line);
...

if (src == null || dst == null) {
    return false;
return writeTextToFile(getTextFromFile(src), dst);