System.out.println("7. Bridge: ");
HelloWorld bridgeHelloWorld = new HelloWorldBridge(new DesignPatternWorldImpl());
//leave bridgeHelloWorld' output to compositeHelloWorld
System.out.println("8. Composite: ");
HelloWorld compositeHelloWorld = new CompositeHelloWorld(bridgeHelloWorld, new CompositeHelloWorld.DefaultHelloWorld());
System.out.println(compositeHelloWorld.helloWorld());
System.out.println("9. Decorator: ");
HelloWorldDecorator decoratorHelloWorld = new HelloWorldDecorator(new HelloWorldDecorator.DefaultHelloWorld());
System.out.println(decoratorHelloWorld.helloDecorator());