op34b0f8bc0159.txt

软件工程方面的书籍

     * Searches for the first occurence of the given argument, testing 
     * for equality using the <code>equals</code> method. 
     *
     * @param   elem   an object.
     * @return  the index of the first occurrence of the argument in this
     *          vector; returns <code>-1</code> if the object is not found.
     * @see     java.lang.Object#equals(java.lang.Object)
     * @since   JDK1.0