JOptionPane Java Program

JOptionPane Java Program

Java Code:

import java.util.Scanner;

import javax.swing.*;

public class calculate {

       /**

        * @param args

        */

       public static void main(String[] args) {

              // TODO Auto-generated method stub

               //Scanner input = new Scanner(System.in);

               

               //System.out.print("Enter the Food amount: ");

                 // float FA = input.nextFloat();

              // System.out.print("Enter the gratuity rate in percent: ");

                 // float GR = input.nextFloat();

             

              float FA = Float.parseFloat(JOptionPane.showInputDialog(null, "Enter the Food amount: "));

              float GR = Float.parseFloat(JOptionPane.showInputDialog(null, "Enter the gratuity rate in percent: "));

             

                          

                  float a=(GR*FA)/100;

                  float b=FA+a;

                  String str = String.format("%.2f", a);

                  String str1 = String.format("%.2f", b);

                  String str2 = String.format("%.2f", FA);

                  JOptionPane.showMessageDialog(null, "Food amount: " + str2);

                  JOptionPane.showMessageDialog(null, "GRATUITY: "+ str);

                  JOptionPane.showMessageDialog(null, "Total Bill: " + str1);

                 

                 /* System.out.printf("Food amount: " + "%.2f", FA);

                  System.out.println();

                  System.out.printf("GRATUITY: "+"%.2f", a);

                  System.out.println();

                  System.out.printf("Total Bill: " +"%.2f", b);

*/

        }

       }

 Snapshots: