list all stored procedures: 'PROCEDURE', 'FUNCTION', 'PACKAGE', 'PACKAGE BODY'

Search package name wise :-
select object_name, object_type , status
     from dba_objects
     where object_type in ( 'PROCEDURE', 'FUNCTION','PACKAGE', 'PACKAGE BODY' )
     and object_name in ('DBMS_JAVA' ,'UTL_DBWS')  ;

OR  generic type search :-


select object_name, object_type , status
     from user_objects
     where object_type in ( 'PROCEDURE', 'FUNCTION','PACKAGE', 'PACKAGE BODY' );
   


SELECT DISTINCT Owner, Object_Type, Object_Name FROM DBA_Objects_AE
     WHERE Owner IN (
       'SYS', 'OUTLN', 'SYSTEM', 'CTXSYS', 'DBSNMP',
       'LOGSTDBY_ADMINISTRATOR', 'ORDSYS',
       'ORDPLUGINS', 'OEM_MONITOR', 'WKSYS', 'WKPROXY',
       'WK_TEST', 'WKUSER', 'MDSYS', 'LBACSYS', 'DMSYS',
       'WMSYS', 'OLAPDBA', 'OLAPSVR', 'OLAP_USER',
       'OLAPSYS', 'EXFSYS', 'SYSMAN', 'MDDATA',
       'SI_INFORMTN_SCHEMA', 'XDB', 'ODM','APQOSSYS')
     AND Object_Type IN ('PACKAGE', 'TYPE')
     ORDER BY Owner, Object_Type, Object_Name;

SELECT DISTINCT Owner, Object_Type, Object_Name FROM dba_Objects
     WHERE Owner NOT IN (
       'SYS', 'OUTLN', 'SYSTEM', 'CTXSYS', 'DBSNMP',
       'LOGSTDBY_ADMINISTRATOR', 'ORDSYS',
       'ORDPLUGINS', 'OEM_MONITOR', 'WKSYS', 'WKPROXY',
       'WK_TEST', 'WKUSER', 'MDSYS', 'LBACSYS', 'DMSYS',
       'WMSYS', 'OLAPDBA', 'OLAPSVR', 'OLAP_USER',
       'OLAPSYS', 'EXFSYS', 'SYSMAN', 'MDDATA',
       'SI_INFORMTN_SCHEMA', 'XDB', 'ODM','APQOSSYS')
     AND Object_Type IN ('PACKAGE', 'TYPE')
     ORDER BY Owner, Object_Type, Object_Name;