Java – system. In Tomcat Scope of setproperty

This question is the "cousin" of this one involved Android But here we are in the Tomcat environment

If in my webapp, I use system setProperty(“property_name”,“property_value”); A property is set. Which range will it apply to?

>All JVMs in the machine > all Tomcat webapps > only webapps executing instructions > only threads executing instructions > others

Thank you.

Solution

System properties have JVM scope Therefore, this property will be modified (and available) for all web applications and Tomcat itself throughout the Tomcat JVM

Note that system properties are stored in memory, so if you stop and restart tomcat, they will not be retained