Produced calculations p23cs378
import java.text.DecimalFormat;
class ProductExcludingTax {
private String productName;
private int quantity;
private double price;
private double taxRate;
public ProductExcludingTax(String productName, int quantity, double price, double taxRate) {
this.productName = productName;
this.quantity = quantity;
this.price = price;
this.taxRate = taxRate;
}
public double calculateTotalAmount() {
double totalAmount = quantity * price;
double taxAmount = totalAmount * taxRate;
return totalAmount + taxAmount;
}
public void display() {
DecimalFormat df = new DecimalFormat("#.##");
double totalAmount = calculateTotalAmount();
System.out.println("Product name: " + productName);
System.out.println("Quantity: " + quantity);
System.out.println("Price per unit: $" + df.format(price));
System.out.println("Tax rate: " + (taxRate * 100) + "%");
System.out.println("Total amount (including tax): $" + df.format(totalAmount));
}
}
class ProductIncludingTax {
private String productName;
private int quantity;
private double originalPrice;
private double taxAmount;
private double taxRate;
public ProductIncludingTax(String productName, int quantity, double originalPrice, double taxRate) {
this.productName = productName;
this.quantity = quantity;
this.originalPrice = originalPrice;
this.taxRate = taxRate;
this.taxAmount = originalPrice * taxRate;
}
public void display() {
DecimalFormat df = new DecimalFormat("#.##");
System.out.println("Product name: " + productName);
System.out.println("Quantity: " + quantity);
System.out.println("Tax included price per unit: $" + df.format(originalPrice));
System.out.println("Tax rate: " + (taxRate * 100) + "%");
System.out.println("Tax amount: $" + df.format(taxAmount));
System.out.println("Original price (excluding tax): $" + df.format(originalPrice - taxAmount));
}
}
public class Main {
public static void main(String[] args) {
ProductExcludingTax product1 = new ProductExcludingTax("Book", 2, 25.0, 0.08);
product1.display();
System.out.println();
ProductIncludingTax product2 = new ProductIncludingTax("Laptop", 1, 1500.0, 0.10);
product2.display();
}
}
output:
Product name: Book
Quantity: 2
Price per unit: $25.0
Tax rate: 8.0%
Total amount (including tax): $54.0
Product name: Laptop
Quantity: 1
Tax included price per unit: $1500.0
Tax rate: 10.0%
Tax amount: $150.0
Original price (excluding tax): $1350.0
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