title: How to create a group of checkbox with JSF?
body: <p>I want to create a group of checkbox ,but the user have the right to check just 3,
  each checkbox represent a criteria of research in my  database(eg :if user check checkbox by priority I should concat this search criteria to my request SQL).
  I have done some research in the internet but I have just found examples with ajax ,I dont want to use it.And I want to know should I use selectBooleanCheckbox OR selectManyCheckbox
  Is there a simple example? </p>