Java Utililty Methods File Copy

boolean resultado = true;
try {
    File inFile = new File(sourceFile);
    File outFile = new File(destinationFile);
    FileInputStream in = new FileInputStream(inFile);
    FileOutputStream out = new FileOutputStream(outFile);
    BufferedInputStream bis = new BufferedInputStream(in);
    BufferedOutputStream bos = new BufferedOutputStream(out);
...

fileCopy(new File(sourcefile), destinctionFile);

FileInputStream from = null;
FileOutputStream to = null;
try {
    from = new FileInputStream(src);
    to = new FileOutputStream(dest);
    byte[] buffer = new byte[4096];
    int bytesRead;
    while ((bytesRead = from.read(buffer)) != -1) {
...