Keerthika

 import java.util.Scanner; class Product {     String name;     int quantity;     double price;     double tax;     // Constructor     public Product(String name, int quantity, double price, double tax) {         this.name = name;         this.quantity = quantity;         this.price = price;         this.tax = tax;     }     // Method to calculate the total amount     public double calculateTotalAmount() {         double totalPrice = price * quantity;         double totalTax = totalPrice * (tax / 100);         return totalPrice + totalTax;     } } public class ProductCalculation {     public static void main(String[] args) {         Scanner scanner = new Scanner(System.in);         // Taking input...

PROGRAM-01 public class BookPriceCalculator {     public static void main(String[] args) {         String productName = "Book";         int quantity = 5;         double taxRate = 0.1; // Assuming tax rate is 10%         double originalPrice = 20.0; // Assuming original price of each book is $20         // Calculate tax amount         double taxAmount = originalPrice * taxRate;         // Calculate total price including tax         double totalPrice = (originalPrice + taxAmount) * quantity;         // Print out the details         System.out.println("Product name: " + productName);         System.out.println("Quantity: " + quantity);         System.out.println("Original Price per book: $" + originalPrice);         System.o...