Converting byte array to String (Java)

[craig via StackOverflow]

public static String readFile(String fn)   throws IOException 
{
    File f = new File(fn);

    byte[] buffer = new byte[(int)f.length()];
    FileInputStream is = new FileInputStream(fn);
    is.read(buffer);
    is.close();

    return  new String(buffer, "UTF-8"); // use desired encoding
}

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