JComboBox and file read

I have login page that controle username and password. I want that when admin is selected in combobox, then program should compare given username and password with first line in my “LoginInformation….

JComboBox + JPA

I am currently stuck on a Java issue considering the java persistance API and JComboBox. The issue is as follows: I have a JDialog, whom I use to add something to the database. In the view: …