Java App : Unable to read iso-8859-1 encoded file correctly

File in = new File("myfile.csv");
     InputStream fr = new FileInputStream(in);
     byte[] buffer = new byte[4096];
     while (true) {
          int byteCount = fr.read(buffer, 0, buffer.length);
          if (byteCount <= 0) {
              break;
          }

          String s = new String(buffer, 0, byteCount,"ISO-8859-1");
          System.out.println(s);
     }

System.out.println(java.nio.charset.Charset.availableCharsets());

System.out.println((int) s.getCharAt(index));

System.out.println("Here's the character: u00f4");

BufferedReader br = new BufferedReader(
         new InputStreamReader(
         new FileInputStream("myfile.csv"), "ISO-8859-1");

 char[] buffer = new char[4096]; // character (not byte) buffer

 while (true)
 {
      int charCount = br.read(buffer, 0, buffer.length);

      if (charCount == -1) break; // reached end-of-stream

      String s = String.valueOf(buffer, 0, charCount);
      // alternatively, we can append to a StringBuilder

      System.out.println(s);
 }

public static void main(String[] args) throws IOException {
	byte[] data = { (byte) 0xF4 };
	String decoded = new String(data, "ISO-8859-1");
	if (!"u00f4".equals(decoded)) {
		throw new IllegalStateException();
	}

	// write default charset
	System.out.println(Charset.defaultCharset());

	// dump bytes to stdout
	System.out.write(data);

	// will encode to default charset when converting to bytes
	System.out.println(decoded);
}

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