@Stateless
public class MyStatelessBean {
      public String getApplicationName() {
                  return "My application";
      }
}

public class MyApplication implements EntryPoint {
        
        @EJB
        MyStatelessBean myBean;

        public int createUI() {
            Shell shell = new Shell();
            shell.setText(myBean!=null?myBean.getApplicationName():"null");
            return 0;
        }
}