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+public class HelloEventBusSimplest %7B%0A%0A    public static void main(String... args) %7B%0A        System.out.println(%22Hello Modules Using a Non-Modularized Library!%22);%0A%0A        Publisher pub = new Publisher();%0A        Subscriber sub = new Subscriber();%0A%0A        pub.publish(%22Pizza in the break room%22);%0A    %7D%0A%7D%0A

Create HelloEventBusSimplest.java