How idea creates a groovy project (explain in detail with pictures and texts)

My local idea yes 2021

Take this as an example ： Introduce

If you cannot select library You can next Then you can choose ; It may be a card problem It's not clear （ The problem I have here ）


Run demo Play ;

class hello {
    
    static void main(String[] args) {
    
        println ("Helloword")
    }
}

perhaps

That's how it works ; I have read many cases online ; It's a mess No reference value …;