Why “Error: Could not find or load main class addstudent.AddStudent” is showing

Question

I am developing a project using NetBeans IDE. I am new to javafx. I created a class \"AddStudent\" in a package named \"addstudent\". When I ran the class, I got \"Error: Could

Answer 1

In my case, the problem was the project path had some special (russian) chars, like

C:\Dev\Папка\MyApp\

Once moved to another folder, it worked:

C:\Dev\Good one\MyApp\

Also:

• these characters are OK: äöü!@#$%^&_+-``~_',
• these are not: №;