To check weather JAVAVM being used or not?

Hi,
We are in the process of cleaning up unnecessary components. As a part of this, first of all we are checking weather JAVAVM is being used or not?  How to confirm weather JAVAVM is being used or not?
I gone through Database Feature Usage but could not find any entry related to JAVAVM, for rest of the components i was able to. Any hints on this.
DBA_REGISTRY
COMP_ID
COMP_NAME
VERSION
STATUS
MODIFIED
CATALOG
Oracle Database Catalog Views
10.2.0.5.0
VALID
23-JUN-2013 06:16:06
CATPROC
Oracle Database Packages and Types
10.2.0.5.0
VALID
23-JUN-2013 06:16:06
JAVAVM
JServer JAVA Virtual Machine
10.2.0.5.0
VALID
23-JUN-2013 06:16:07
CATJAVA
Oracle Database Java Packages
10.2.0.5.0
VALID
23-JUN-2013 06:16:07
And features usage is as follows.
Database Feature Usage
NAME
DETECTED_USAGES
ASO native encryption and checksumming
0
AWR Report
17
Advanced Replication
0
Advanced Security
0
Audit Options
41
Automatic Database Diagnostic Monitor
6
Automatic SQL Execution Memory
41
Automatic Segment Space Management (system)
41
Automatic Segment Space Management (user)
41
Automatic Storage Manager
0
Automatic Undo Management
41
Automatic Workload Repository
1
CSSCAN
0
Change Data Capture
0
Change-Aware Incremental Backup
0
Character Semantics
0
Character Set
41
Client Identifier
0
Data Guard
0
Data Guard Broker
0
Data Mining
0
Database Replay: Workload Capture
0
Diagnostic Pack
0
Dynamic SGA
0
EM Database Control
0
EM Grid Control
0
Extensibility
41
File Mapping
0
Flashback Database
0
Internode Parallel Execution
0
LOB
41
Label Security
0
Locally Managed Tablespaces (system)
41
Locally Managed Tablespaces (user)
41
Locator
0
MTTR Advisor
0
Materialized Views (User)
41
Messaging Gateway
0
Multiple Block Sizes
0
OLAP - Analytic Workspaces
0
OLAP - Cubes
0
Object
41
Oracle Database Vault
0
Oracle Managed Files
0
PL/SQL Native Compilation
0
Parallel SQL DDL Execution
24
Parallel SQL DML Execution
0
Parallel SQL Query Execution
35
Partitioning (system)
41
Partitioning (user)
0
Protection Mode - Maximum Availability
0
Protection Mode - Maximum Performance
41
Protection Mode - Maximum Protection
0
Protection Mode - Unprotected
0
RMAN - Disk Backup
0
RMAN - Tape Backup
0
Real Application Clusters (RAC)
0
Recovery Area
0
Recovery Manager (RMAN)
0
Resource Manager
0
SQL Access Advisor
0
SQL Tuning Advisor
7
SQL Tuning Set
41
Segment Advisor
40
Server Parameter File
5
Shared Server
37
Spatial
0
Standby Archival - ARCH
0
Standby Archival - LGWR
0
Standby Transmission
0
Streams (system)
0
Streams (user)
0
Transparent Gateway
0
Tuning Pack
0
Undo Advisor
0
Virtual Private Database (VPD)
0
XDB
0
D
Regards
DBA.

We are in the process of cleaning up unnecessary components. As a part of this, first of all we are checking weather JAVAVM is being used or not?  How to confirm weather JAVAVM is being used or not?
Yes - if you have an Oracle database the JVM is being used.
There is NOTHING to 'clean up' as far as the internal JVM that is part of Oracle.
You can NOT modify it or upgrade it. And if you remove it Oracle will also remove your database.
See the Database Installation Guide
http://docs.oracle.com/cd/B28359_01/install.111/b32002/remove_oracle_sw.htm#CCHBABDE
In the Inventory screen, select the Oracle home and the products that you want to remove, then click Remove.
Note:
If you choose to remove Oracle JVM, Oracle Universal Installer removes all installed products that depend on Oracle JVM, including Oracle Database 11g.

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