The SAP JVM is included in all products based on the SAP NetWeaver Application Server Java 7.3. It resides in the sapjvm_6 subfolder, which is located under /usr/sap/(SID)/SYS/exe/jvm/ <platform> / <patchstring> .
The installation of the SAP JVM is included in the installation of the product.
To upgrade to the newest SAP JVM version without upgrading your whole product, use the Software Update Manager (SUM) to deploy the latest available SAP JVM patches. For more information about running SUM, see the SUM guide located at: http://support.sap.com/sltoolset