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java -version : 1.2.2
locale length 144
time to get locales 1340
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java -version 1.4.0
bash-2.03# java Test
locale length 148
time to get locales 5699
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import java.util.Locale;

public class Test {
        public static void main(String args[]) {
                long start = System.currentTimeMillis();
                Locale[] mLocale = Locale.getAvailableLocales();
                System.out.println("locale length " + mLocale.length);
                long end = System.currentTimeMillis();
                System.out.println("time to get locales " + (end-start));
        }
}