Katalon - export recorded test script to java/junit
As of version 4.8 Katalon Studio does not support export test cases to other frameworks. But if you want more control on your project, you can modify test cases directy in the Script Mode using Groovy/Java. It is also possible to import 3rd party Java libraries to your project if need be.
After creating the test case with some steps, we could view the script and adjusting it, for examples: https://docs.katalon.com/display/KD/Test+Case+Script+View
From here, we could add more codes to handle our testing flows.
However, since the code uses some Katalon libraries, so it might not posible to copy the script and run somewhere else.
you can export code into java/ python using Katalon browser plugin. Just import existing test case recording into the plugin and click on "export" option.