Are the questions simply Strings? Use a Set to make sure you don't get duplicates (or you could just add a check to make sure your List doesn't contain that question already).
Or you could...
Type: Posts; User: KevinWorkman
Are the questions simply Strings? Use a Set to make sure you don't get duplicates (or you could just add a check to make sure your List doesn't contain that question already).
Or you could...