op34b0f8bc0160.txt

软件工程方面的书籍

     * Searches backwards for the specified object, starting from the 
     * specified index, and returns an index to it. 
     *
     * @param   elem    the desired component.
     * @param   index   the index to start searching from.
     * @return  the index of the last occurrence of the specified object in this
     *          vector at position less than <code>index</code> in the vector;
     *          <code>-1</code> if the object is not found.
     * @since   JDK1.0