log the user out . concode_field_sep ArrayList<User> allowedList concode_elem_sep ArrayList<User> activeList concode_elem_sep UserManager instance concode_field_sep void loginUser concode_elem_sep ArrayList<User> getActiveUsers concode_elem_sep UserManager instance concode_elem_sep int validateAndLoginUser concode_elem_sep void destroy concode_elem_sep User getUserByName concode_elem_sep void addUsers
void function ( String arg0 ) { if ( ( arg0 == null ) || ( arg0 . trim ( ) . equals ( "srini_string" ) ) ) { return ; } for ( User loc0 : activeList ) { if ( loc0 . getUserName ( ) . equals ( arg0 ) ) { activeList . remove ( loc0 ) ; return ; } } }