• JackbyDev@programming.dev
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    1 month ago

    This is getting a little better nowadays.

    > cat Hello.java
    void main() {
        System.out.println("Hello, World!");
    }
    > java --enable-preview Hello.java
    Hello, World!
    

    Things to notice:

    1. No compilation step.
    2. No class declaration.
    3. Main method is not public static
    4. No String[] args.

    This still uses preview features though. However, like you demonstrated already, compilation is no longer a required step for simplistic programs like this.