gistfile1.txt

privateaccess $ cat Widget.java 
public class Widget {
    private int size = 42;
}
privateaccess $ 
privateaccess $ cat Demo.groovy 
class Demo {
    static void main(args) {
        def w = new Widget()

        println w.size
    }
}
privateaccess $ groovyc *.*
privateaccess $ 
privateaccess $ groovy Demo
42