ZAP should be able to run with all/newer Java versions, but might require a minimum for certain ZAP versions: ZAP 2.16.0 and later requires a minimum of Java 17 ZAP 2.12.0 and later requires a minimum of Java 11 ZAP 2.7.0 and later requires a minimum of Java 8 ZAP 2.0.0 and later requires a minimum of Java 7 Previous versions of ZAP also support Java 6, the last of those being 1.4.1