Java Utililty Methods BufferedReader Copy

try {
    FileInputStream fis = new FileInputStream(new File(srcFile));
    FileOutputStream fos = new FileOutputStream(new File(dstFile));
    try {
        byte[] buf = new byte[40960];
        int i = 0;
        while ((i = fis.read(buf)) != -1) {
            fos.write(buf, 0, i);
...

BufferedReader br = new BufferedReader(new FileReader(srcFileName));
BufferedWriter bw = new BufferedWriter(new FileWriter(destFileName));
String line;
while ((line = br.readLine()) != null) {
    bw.write(line);
    bw.newLine();
br.close();
...

try {
    FileReader fr = new FileReader(new File(source));
    BufferedReader bfr = new BufferedReader(fr);
    FileWriter frout = new FileWriter(new File(out));
    BufferedWriter bfrout = new BufferedWriter(frout);
    char[] ss = new char[1024];
    int nbr = 0;
    while (bfr.ready() && ((nbr = bfr.read(ss, 0, ss.length)) != -1)) {
...

BufferedReader br = new BufferedReader(new FileReader(inputFileName));
try {
    String line = br.readLine();
    while (line != null) {
        Out.println(line);
        line = br.readLine();
} finally {
...

InputStream is = null;
FileOutputStream fos = null;
BufferedReader reader = null;
BufferedWriter writer = null;
File parent = targetFile.getParentFile();
if (!parent.exists()) {
    parent.mkdirs();
try {
    JarFile jar = new JarFile(jarFile);
    ZipEntry zipEntry = jar.getEntry(sourceFilePath);
    is = jar.getInputStream(zipEntry);
    fos = new FileOutputStream(targetFile);
    reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
    writer = new BufferedWriter(new OutputStreamWriter(fos));
    String line;
    while ((line = reader.readLine()) != null) {
        writer.write(line);
        writer.newLine();
} catch (FileNotFoundException e) {
    e.printStackTrace();
} catch (IOException e) {
    e.printStackTrace();
} finally {
    if (writer != null) {
        try {
            writer.flush();
            writer.close();
        } catch (IOException e) {
    if (reader != null) {
        try {
            reader.close();
        } catch (IOException e) {
    if (fos != null) {
        try {
            fos.flush();
            fos.close();
        } catch (IOException e) {
    if (is != null) {
        try {
            is.close();
        } catch (IOException e) {

try {
    BufferedReader r = new BufferedReader(new FileReader(inputFile));
    BufferedWriter w = new BufferedWriter(new FileWriter(outputFile));
    String line;
    while ((line = r.readLine()) != null) {
        w.write(line);
        w.newLine();
    w.close();
    r.close();
} catch (FileNotFoundException e) {
    e.printStackTrace();

File[] inputFiles = inDir.listFiles();
for (File inputFile : inputFiles) {
    File outputFile = new File(outDir, inputFile.getName());
    if (inputFile.isFile()) {
        copyFileLinewise(inputFile, outputFile);
    } else {
        File newOutDir = new File(outDir, inputFile.getName());
        newOutDir.mkdir();
...

String readLine = null;
BufferedReader readSource = new BufferedReader(new FileReader(new File(source)));
BufferedWriter writeSource = new BufferedWriter(new FileWriter(new File(destination), true));
while ((readLine = readSource.readLine()) != null) {
    writeSource.write(readLine);
    writeSource.newLine();
writeSource.close();
...

if (!destination.exists()) {
    destination.getParentFile().mkdirs();
    destination.createNewFile();
if (!source.exists()) {
    throw new IOException("Source file must exist!");
BufferedReader sourceReader = new BufferedReader(new FileReader(source));
...