Cannot import javax.validation.constraints in IntelliJ IDEA

I can’t import that simple library, i have all jar files, also i tried Ivalidate Caches / Restart. Maybe i have to add validation to build path, but i don’t know to which file.

Answer

Got it.

1. File -> Project Structure
2. In Modules click Dependecies, then click green “+” on the right side
3. Click JARs or directiories… and add JAR files

4. Click OK

   THEN:

5. File -> Project Structure
6. In Artifacts click FIX button on right bottom size
7. Click OK