Java Error Vs code: (class_Name).java is a non-project file, only syntax errors are reported

Question

this error keeps showing while I run any java program on vs code, the program gets executed with no problem but the error keeps showing

Answer 1

The method of opening file is wrong. The problem is that a single file cannot be recognized as a project. The correct way to open a java file is to open folder first and then the file.

Answer 2

You need to right-click on the parent folder of the file you are working on in your current workspace and then click on "Add Folder To Java Source Path"