peek . concode_field_sep List<E> mElements concode_elem_sep int mSize concode_field_sep E pop concode_elem_sep E set concode_elem_sep int size concode_elem_sep E get concode_elem_sep boolean isEmpty concode_elem_sep void clear concode_elem_sep void push concode_elem_sep E remove
E function ( ) { if ( mSize == 0 ) throw new EmptyStackException ( ) ; return mElements . get ( mSize - 1 ) ; }