Tuesday, March 15, 2016

Console Based Sales Tax Calculator in Java

The code below can be used to create a sales tax calculator in Java. This is for review exercise 3.1 in the Intro to Java Series.
package salestaxcalc;
package topic03SalesTaxCalcReview;
import java.math.BigDecimal;
import java.util.Scanner;
public class salesTaxCalc {
    public static void main(String[] args) {
        //Initialize Variables
        BigDecimal salesTaxRate = new BigDecimal("0.06");
        //Create a Scanner & Ask For User Input
        Scanner userInput = new Scanner(System.in);
        System.out.println("Enter item price:");
        BigDecimal itemPrice = userInput.nextBigDecimal().setScale(2, BigDecimal.ROUND_HALF_UP);
        BigDecimal salesTax = itemPrice.multiply(salesTaxRate).setScale(2, BigDecimal.ROUND_HALF_UP);
        BigDecimal totalPrice = itemPrice.add(salesTax).setScale(2, BigDecimal.ROUND_HALF_UP);
        //Print Out The Results
        System.out.println("Item Price:  $" + itemPrice);
        System.out.println("Sales Tax:   $" + salesTax);
        System.out.println("Total Price: $" + totalPrice);


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