JAVA how to change field to checkbox

I try to search stackoverflow for solution but i can not find any informations..

i have this code

            addLabelAndFieldToPanel(bussinesData, detailFields, NOSALARY_EXPECTATION, "" + contact.getIsSalary(), 4, bussinessYPosition, border, constraints, veryShortField);

And i need to change veryshortfield to checkbox i tried to do JCheckBox ... or to make JcheckBox and put variable name into field but it doesnt working..

here is the code for veryshortfield

Dimension veryShortField = new Dimension(100, 20);

idk what i need to do to make it as checkbox.. thank you so much for informations..