Thank's. I will think about this. Ana María On 7 jun, 23:27, Sech21 <[email protected]> wrote: > Validation must be made in your class Personal Controler. So, the > relevant class must knows the setters and getters from the Class > Person so that you can polimorfically used them and treat the > validation itself. > Neverthelesss, you can create an interface or something like. > > cheers > > Filipe and Silas from MIT Institute > > On Jun 7, 9:39 am, miga <[email protected]> wrote: > > > > > On Jun 7, 4:00 pm, anaclos <[email protected]> wrote:> Hello: > > > I am trying to separate responsabilities in 3 clases. A Class Person > > > whith atributes weigth and height, a constructor, setters and getters, > > > and a method that calculates the BMI (Body Mass Index). A class > > > PersonForm whith a text field for weigth, another for heigth, another > > > for BMI, and a buttom Calculate. I have a PersonControler that > > > listener when the user press the buttom, send the weigth and the > > > height to the class Person, retrieave the BMI and send the value to > > > the text field. What is the correct place to validate that the text > > > fields not were empty and the weigth and the height were numbers >0? > > > (sorry for my english). > > > I would say in the Person class.- Ocultar texto de la cita - > > - Mostrar texto de la cita -
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