which java version does tomcat use

Question

I have set the JAVA_HOME to C:\\Program Files\\Java\\jdk1.5.0_11
I have set the Classpath to C:\\Program Files\\Java\\jre1.5

Answer 1

If you are running Tomcat from Eclipse, the JVM version that Tomcat will use is the one that is the checked JRE in the Installed JREs.

Example:

Check:

Bonus:

If you want to find out which Tomcat's version is compatible with which version of Java, check it out here