Add runtime environment for Java Web Tomcat 7: JRE

When adding the Runtime Enviroment for SAP Java Web Tomcat 7 there is an input field JRE.
In the documentation https://help.hana.ondemand.com/help/frameset.htm?7613f000711e1014839a8273b0e91070.html this field is not mentioned.
I may choose
- Workbench default JRE
- sapjvm_7
Which is to be used when Getting Started with SAP HANA Cloud, please?
By the way: there is another Eclipse-Installation with ABAP in Eclipse at the same computer.

You can choose either one. It's even very likely that Workbench default JRE is the same as sapjvm_7. If you click on Installed JREs... next to it, you can see all JREs and which is the default one.

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