자바에서 헥사 스트링을 바이트 값으로 변환하는 소스

// hex to byte[]
public static byte[] hexToByteArray(String hex) {
    if (hex == null || hex.length() == 0) {
        return null;
    }

    byte[] ba = new byte[hex.length() / 2];
    for (int i = 0; i < ba.length; i++) {
        ba[i] = (byte) Integer.parseInt(hex.substring(2 * i, 2 * i + 2), 16);
    }
    return ba;
}

// byte[] to hex
public static String byteArrayToHex(byte[] ba) {
    if (ba == null || ba.length == 0) {
        return null;
    }

    StringBuffer sb = new StringBuffer(ba.length * 2);
    String hexNumber;
    for (int x = 0; x < ba.length; x++) {
        hexNumber = "0" + Integer.toHexString(0xff & ba[x]);

        sb.append(hexNumber.substring(hexNumber.length() - 2));
    }
    return sb.toString();
} 

파이어 폭스 3.0.1 버전이 나왔습니다. 다운로드는

http://www.mozilla.com/en-US/products/download.html?product=firefox-3.0.2&os=win&lang=ko

또는 메뉴에서 [Help] - [Check for Update] 를 누르시면 됩니다.
변경사항은 아래와 같습니다...

# Fixed several security issues.
# Fixed several stability issues.
# Official releases for Sinhala and Slovene are now available.
# Beta releases for Bengali, Galician, Hindi, Icelandic, Kannada, Marathi, Telugu, and Thai are available for testing.
# Fixed a number of minor issues with the layout of certain web pages.
# Fixed several theme issues that affected right-to-left locales.
# Fixed issue that caused some users with customized toolbars to have their Back and Forward buttons go missing (bug 426026)
# Add new Extended Validation (EV) roots to Firefox 3.0.2.
# On certain IDN sites, the password manager would not fill in username and password details properly.
# Fixed several hangs and crashes that occurred when using screen readers.
# Fixed Mac-specific issues:
    * Keyboard shortcuts would stop working in some cases.
    * Japanese, Korean, Chinese and Indic characters can not be entered (using IME) into text fields in Flash objects (bug 357670)
    * Firefox 3.0.1 could not be used when the user profile is stored on an AFP directory (bug 417037)

싱글톤 코딩시 참조.

public class ${Name} {
    private static ${Name} instance;

    public static ${Name} getInstance() {
        if (instance == null) {
            synchronized (${Name}.class) {
                // double-check idiom
                if (instance == null) {
                    instance = new ${Name}();
                }
            }
        }
        return instance;
    }

    private ${Name}() {
    }
}