HelloWorldHandler helloWorldChainOfResponsibility = new HelloWorldInterjectionHandler().setNext(new HelloWorldObjectHandler());
System.out.println(helloWorldChainOfResponsibility.helloWorld());
System.out.println("14. Command: ");
Command helloWorldCommand = new HelloWorldPrintCommand();
helloWorldCommand.execute();
System.out.println("15. Interpreter: ");
HelloWorldInterpreter helloWorldInterpreter = new HelloWorldInterpreter();
helloWorldInterpreter.interpret("println('Hello Interpreter!')");