retrieve the value associated with a given key . concode_field_sep int size concode_elem_sep T[] array concode_field_sep int size concode_elem_sep boolean containsKey concode_elem_sep IntegerMap<T> newMap concode_elem_sep Map<Integer,Object> toMap concode_elem_sep void ensureCapacity concode_elem_sep T put concode_elem_sep T remove
T function ( int arg0 ) { if ( arg0 >= 0 && arg0 < array . length ) return array [ arg0 ] ; return null ; }