Update hello_world.md

Author: oblomov-dev

docs/get_started/hello_world.md

@@ -59,18 +59,18 @@ ENDCLASS.
 CLASS z2ui5_cl_app_hello_world IMPLEMENTATION.
   METHOD z2ui5_if_app~main.
 
-    CASE client->get( )-event.
-      WHEN 'POST'.
-        client->message_box_display( |Hello World!| ).
-        RETURN.
-    ENDCASE.
-
     client->view_display( z2ui5_cl_xml_view=>factory(
       )->page( 'abap2UI5 - Hello World'
           )->text( `My Text`
           )->button( text = 'post' press = client->_event( 'POST' )
       )->stringify( ) ).
 
+    CASE client->get( )-event.
+      WHEN 'POST'.
+        client->message_box_display( |Hello World!| ).
+        RETURN.
+    ENDCASE.
+
   ENDMETHOD.
 ENDCLASS.
 ```
@@ -89,24 +89,24 @@ ENDCLASS.
 CLASS z2ui5_cl_app_hello_world IMPLEMENTATION.
   METHOD z2ui5_if_app~main.
 
-    CASE client->get( )-event.
-      WHEN 'POST'.
-        client->message_box_display( |Your name is { name }.| ).
-        RETURN.
-    ENDCASE.
-
     client->view_display( z2ui5_cl_xml_view=>factory(
       )->page( 'abap2UI5 - Hello World'
           )->text( `My Text`
           )->button( text = 'post' press = client->_event( 'POST' )
           )->input( client->_bind_edit( name )
       )->stringify( ) ).
 
+    CASE client->get( )-event.
+      WHEN 'POST'.
+        client->message_box_display( |Your name is { name }.| ).
+        RETURN.
+    ENDCASE.
+
   ENDMETHOD.
 ENDCLASS.
 ```
 And that's it! Set a breakpoint and observe the communication and data updates. Now you can easily play around and further modify the view, event and data exchange.
 
 ::: tip **ABAP Language Versions**
 While we need to distinguish between Standard ABAP and ABAP for Cloud in the HTTP Handler, the apps themselves are independent. You can decide whether to develop your apps compatible with ABAP Cloud or not.
-:::
+:::