yup

String sNumbers = JOptionPane.showInputDialog("Enter in the amount of possible numbers: \n");
        int iNumbers = Integer.parseInt(sNumbers);
        String sBalls = JOptionPane.showInputDialog("Enter in the amount of balls taken: \n");
        int iBalls = Integer.parseInt(sBalls);
        int iFactorial = 1;
        int iCount = 0;
        int iTotal = iNumbers;

        for(iCount = (iNumbers - 1); iCount > (iNumbers - iBalls); iCount--){
            iTotal *= iCount;
        }