plik Hello.groovy:
         
        class Hello{
         
         
            public static void main(String[] args) {
                new LetsSayItsAnActivity().greet()
            }
        }
         
        plik LetsSayItsAnActivity.groovy
        class LetsSayItsAnActivity {
         
            @WithLogging(layoutName = "kasper")
            def greet() {
                println "Hello World"
                println "End World"
            }
         
         
            @Override
            public String toString() {
                return "HelloS2{}";
            }
         
            void setContentView(String layout){
                println "Setting layout as $layout"
            }
        }