Re: How to effectively add Constants values into a ListBox in GWT?

You could store your keys separately in a list or use an "enum Country". Once you know all the keys you could use ConstantsWithLookup and fill your listbox using a for loop, e.g.

for(Country country : Country.values()) {

  listbox.addItem(myConstantsWithLookup.getString(country.name()));

}

Alternatively you could probably implement an annotation processor that generates the addItem() code based on the methods defined in your constants interface.

-- J.

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