INTRODUCTION TO OBJECTS AND INPUT/OUTPUT - Java Programming: From Problem Analysis to Program Design - page 158

inputStr = JOptionPane.showInputDialog
("Enter the number of adult tickets sold"); //Step 7
noOfAdultTicketsSold = Integer.parseInt(inputStr);

//Step 8

inputStr = JOptionPane.showInputDialog
("Enter the number of child tickets sold"); //Step 9

noOfChildTicketsSold = Integer.parseInt(inputStr); //Step 10

inputStr = JOptionPane.showInputDialog
("Enter the percentage of the donation"); //Step 11

percentDonation = Double.parseDouble(inputStr); //Step 12

grossAmount = adultTicketPrice * noOfAdultTicketsSold +
childTicketPrice * noOfChildTicketsSold; //Step 13

amountDonated = grossAmount * percentDonation / 100; //Step 14
netSaleAmount = grossAmount - amountDonated; //Step 15

outputStr = "Movie Name: " + movieName + "\n"
+ "Number of Tickets Sold: "
+ (noOfAdultTicketsSold +
noOfChildTicketsSold) + "\n"
+ "Gross Amount: $"
+ String.format("%.2f", grossAmount) + "\n"
+ "Percentage of the Gross Amount Donated: "
+ String.format("%.2f%%", percentDonation) + "\n"
+ "Amount Donated: $"
+ String.format("%.2f", amountDonated) + "\n"
+ "Net Sale: $"
+ String.format("%.2f", netSaleAmount);

//Step 16

JOptionPane.showMessageDialog( null , outputStr,
"Theater Sales Data",
JOptionPane.INFORMATION_MESSAGE); //Step 17

System.exit(0); //Step 18

}

}