label styling for single character

Answer 1

By default Struts2 uses themes (XHTML by default) to generate common HTML MarkUp for the elements.

As pointed out by @AleksandrM's comment, requiredLabel attribute would generate a span with the asterisk in it, that you can style with CSS.

Be sure to give an id to elements by yourself, or Struts will generate an unique one by himself that would be difficult to handle (form name _ elementname plus a number or something like that).

Then this

will generate the following HTML:

    *Bank Name
    

    *Bank Address
    

that you can style easily with:

Running example