btnVerifyCredentials.addActionListener(e -> {
JdbcConnectionCredentials testCredentials = new JdbcConnectionCredentials(
fldServer.getText(),
fldDatabase.getText(),
fldUsername.getText(),
new String(fldPassword.getPassword())
);
boolean pass = verifyJdbcConnection(testCredentials);
if(pass) {
JOptionPane.showMessageDialog(null, "Credentials validation PASSED.");