What does this symbol mean in IntelliJ? (red circle on bottom-left corner of file name, with 'J' in it)

Question

Under the target folder in IntelliJ for a Java project I created, I have a few java source files in the package. Beside each file the \'J\' icon has a red circle with a lin

Answer 1

Actually this can happens because of two reason.

1. Your project not getting/ Updating your dependencies. Go to your terminal and enter mvn clean install. Or right click on pom.xml and click Add as Mevan Project.

2. Check your jdk has set properly to the project.