Hi Park ,
This is the java action available in community commons module
You can download community commons module from marketplace
https://marketplace.mendix.com/link/component/170
Documentation for Module : https://docs.mendix.com/appstore/modules/community-commons-function-library/
https://docs.mendix.com/appstore/modules/community-commons-function-library/
Check the above documentation , there are also link is available to download the module
https://marketplace.mendix.com/link/component/170