calcvat.txt

来自「java的一经典教程」· 文本 代码 · 共 24 行

//	Computes the VAT to be paid on a purchase price of ?67
// Assumes VAT rate of 17.5%
import javax.swing.JOptionPane;

public class CalcVAT
{
	public static void main(String[] args)
	{
   		final double VATRATE = 17.5;
		// percentage VAT rate

      double price = 67;  // purchase price
      double vat;  // VAT to be paid

		// do the calculation
		vat = price * VATRATE / 100;

		// output the answer
		JOptionPane.showMessageDialog(null,
		   "VAT to pay is " + vat);

      System.exit(0);
	}
}