text: interface MyListener {
      public void action();
  }
  public class Test8 {
  
      public static void main (String [] args){
          Test8 t8 = new Test8();
          run();
      }
  
      public static void run(){
          class MyListener1 implements MyListener {
              public void action(){
                  System.out.println("Smile");
              }
          };
          new MyListener1().action();
      }
  }
  