How to check for the JRE version in eclipse?

Question

How to check which version of JRE the eclipse is using ?

This section :

Window--->Preferences--->Java

shows by the name of JDK :

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Answer 1

To see which Java Eclipse itself is using go to Help > About Eclipse click Installation Details and look at the Configuration tab.

When you run Java programs from Eclipse you can select which Java is used. Preferences > Installed JREs lists the JREs (and JDKs) that Eclipse knows about. The Run Configuration for the program shows which Java is used to run the program.