Error reporting reason

Java compiler setting error in project structure or setting

resolvent

1. Project structure
Click f I l e → P R O j e c t s t r u c t u r e file \ rightarrow project structurefile → projectstructure

Ensure that the SDK versions under project are the same

2、Preferences

Click setting in preferences (or win version) to search java compiler and ensure that the target byte code
version is the same as the selected version