#!java --source 11
public class Util {
public static void main (String[] args) {
System.out.println("Hello " + args[0] + "!");
}
}24 September 2018
Java 11 includes JEP 330 which allows to use Java source-files like shell-scripts.
Create a file named util with the following content:
#!java --source 11
public class Util {
public static void main (String[] args) {
System.out.println("Hello " + args[0] + "!");
}
}Make sure it is executable by running chmod u+x util.
Running the script, will compile it on the fly:
> ./util Daniel Hello Daniel!
As of now, editors like Visual Studio code don’t recognize the file as Java files automatically. This means, code-completion and syntax hightlighting do not work without manual steps. Let’s hope this gets fixed soon after the release of Java 11.