Time for action – navigating programmatically

1. Our website is ready to include some links on it. We will add links to Page 1 and Page 2 inside the Welcome page.

2. We want to add links to the Welcome page, so we need to edit Welcome.java. First we need a navigator to navigate to the other pages (we will initialize this navigator instance later):

   public class Welcome extends VerticalLayout implements View {
   
     private Navigator navigator;
   
     // ...
   
   }

3. We are adding buttons and a button without a click listener is like a heart without a beat (seems to be that writer is getting crazy again). So let's code a listener that calls our navigator:

   public class Welcome extends VerticalLayout implements View {
   
     // ...
   
     public Welcome() {
       ClickListener listener = new ClickListener() {
         @Override
         public void buttonClick(ClickEvent event) {
           navigator.navigateTo(event.getButton().getCaption());
         }
       };
   
       // ...
   
     }
   }

4. Now we have our click listener and a click listener without...