private void nextQBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_nextQBtnActionPerformed
        //store response!
     setResponse();
     
        //Show next question
        if (qIndex < quiz.questionList.size() - 1)
        {
            qIndex++;
            ShowQuestion(qIndex);
        }
        else
        {
            saveResults();
        }
        
        
    }//GEN-LAST:event_nextQBtnActionPerformed