/************************************************** * Author: Morrison * Date created: 31 Aug 2020 * Date last modified: 31 Aug 2020 **************************************************/ public class Naughty { private int x; public Naughty() { x = 42; } public static void main(String[] args) { //Illegal; attempt to climb greased wall //System.out.println(x); //legal: works via an instance of the class Naughy n = new Naughy(); System.out.println(n.x); } }