2664      * Returns a hash code for this calendar.
2665      *
2666      * @return a hash code value for this object.
2667      * @since 1.2
2668      */
2669     @Override
2670     public int hashCode() {
2671         // 'otheritems' represents the hash code for the previous versions.
2672         int otheritems = (lenient ? 1 : 0)
2673             | (firstDayOfWeek << 1)
2674             | (minimalDaysInFirstWeek << 4)
2675             | (zone.hashCode() << 7);
2676         long t = getMillisOf(this);
2677         return (int) t ^ (int)(t >> 32) ^ otheritems;
2678     }
2679 
2680     /**
2681      * Returns whether this <code>Calendar</code> represents a time
2682      * before the time represented by the specified
2683      * <code>Object</code>. This method is equivalent to:
2684      * <pre><blockquote>
2685      *         compareTo(when) < 0
2686      * </blockquote></pre>
2687      * if and only if <code>when</code> is a <code>Calendar</code>
2688      * instance. Otherwise, the method returns <code>false</code>.
2689      *
2690      * @param when the <code>Object</code> to be compared
2691      * @return <code>true</code> if the time of this
2692      * <code>Calendar</code> is before the time represented by
2693      * <code>when</code>; <code>false</code> otherwise.
2694      * @see     #compareTo(Calendar)
2695      */
2696     public boolean before(Object when) {
2697         return when instanceof Calendar
2698             && compareTo((Calendar)when) < 0;
2699     }
2700 
2701     /**
2702      * Returns whether this <code>Calendar</code> represents a time
2703      * after the time represented by the specified
2704      * <code>Object</code>. This method is equivalent to:
2705      * <pre><blockquote>
2706      *         compareTo(when) > 0
2707      * </blockquote></pre>
2708      * if and only if <code>when</code> is a <code>Calendar</code>
2709      * instance. Otherwise, the method returns <code>false</code>.
2710      *
2711      * @param when the <code>Object</code> to be compared
2712      * @return <code>true</code> if the time of this <code>Calendar</code> is
2713      * after the time represented by <code>when</code>; <code>false</code>
2714      * otherwise.
2715      * @see     #compareTo(Calendar)
2716      */
2717     public boolean after(Object when) {
2718         return when instanceof Calendar
2719             && compareTo((Calendar)when) > 0;
2720     }
2721 
2722     /**
2723      * Compares the time values (millisecond offsets from the <a
2724      * href="#Epoch">Epoch</a>) represented by two
2725      * <code>Calendar</code> objects.
2726      *
2727      * @param anotherCalendar the <code>Calendar</code> to be compared.

2664      * Returns a hash code for this calendar.
2665      *
2666      * @return a hash code value for this object.
2667      * @since 1.2
2668      */
2669     @Override
2670     public int hashCode() {
2671         // 'otheritems' represents the hash code for the previous versions.
2672         int otheritems = (lenient ? 1 : 0)
2673             | (firstDayOfWeek << 1)
2674             | (minimalDaysInFirstWeek << 4)
2675             | (zone.hashCode() << 7);
2676         long t = getMillisOf(this);
2677         return (int) t ^ (int)(t >> 32) ^ otheritems;
2678     }
2679 
2680     /**
2681      * Returns whether this <code>Calendar</code> represents a time
2682      * before the time represented by the specified
2683      * <code>Object</code>. This method is equivalent to:
2684      * <pre>{@code
2685      *         compareTo(when) < 0
2686      * }</pre>
2687      * if and only if <code>when</code> is a <code>Calendar</code>
2688      * instance. Otherwise, the method returns <code>false</code>.
2689      *
2690      * @param when the <code>Object</code> to be compared
2691      * @return <code>true</code> if the time of this
2692      * <code>Calendar</code> is before the time represented by
2693      * <code>when</code>; <code>false</code> otherwise.
2694      * @see     #compareTo(Calendar)
2695      */
2696     public boolean before(Object when) {
2697         return when instanceof Calendar
2698             && compareTo((Calendar)when) < 0;
2699     }
2700 
2701     /**
2702      * Returns whether this <code>Calendar</code> represents a time
2703      * after the time represented by the specified
2704      * <code>Object</code>. This method is equivalent to:
2705      * <pre>{@code
2706      *         compareTo(when) > 0
2707      * }</pre>
2708      * if and only if <code>when</code> is a <code>Calendar</code>
2709      * instance. Otherwise, the method returns <code>false</code>.
2710      *
2711      * @param when the <code>Object</code> to be compared
2712      * @return <code>true</code> if the time of this <code>Calendar</code> is
2713      * after the time represented by <code>when</code>; <code>false</code>
2714      * otherwise.
2715      * @see     #compareTo(Calendar)
2716      */
2717     public boolean after(Object when) {
2718         return when instanceof Calendar
2719             && compareTo((Calendar)when) > 0;
2720     }
2721 
2722     /**
2723      * Compares the time values (millisecond offsets from the <a
2724      * href="#Epoch">Epoch</a>) represented by two
2725      * <code>Calendar</code> objects.
2726      *
2727      * @param anotherCalendar the <code>Calendar</code> to be compared.