Intellij cannot resolve symbol java

[yinchuangsum]

what should I do to resolve this issue? Intellij says it couldn't resolve the symbol java??

[yinchuangsum]

The reason could be:

1. IntelliJ is cached/ pom.xml is not load properly. Try to follow this to refresh your pom.xml, and clear cache : https://github.com/CertifaiAI/CertifAI-Knowledge-Base/wiki/Update-maven-pom.xml
2. Wrong jdk was chosen: Try to check all the set-up is following this : https://github.com/CertifaiAI/CertifAI-Knowledge-Base/wiki/Intellij-Proper-Setup-for-Training-Labs-to-Run