Gets a calendar using the default time zone and locale. The
<code>Calendar</code> returned is based on the current time
in the default time zone with the default
{@link LocaleCategory#FORMAT FORMAT} locale.
<p>
If the locale contains the time zone with "tz"
<a href="Locale.html#def_locale_extension">Unicode extension</a>,
that time zone is used instead.
Gets a calendar using the default time zone and locale. The <code>Calendar</code> returned is based on the current time in the default time zone with the default {@link LocaleCategory#FORMAT FORMAT} locale. <p> If the locale contains the time zone with "tz" <a href="Locale.html#def_locale_extension">Unicode extension</a>, that time zone is used instead.
@return a Calendar.