Merge pull request #397 from romitp4l/main

added a missing CODE OF CONDUCT file

Author: kishanrajput23

MedicalStore.java

@@ -0,0 +1,111 @@
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+public class MedicalStore {
+    public static class Product {
+        private int id;
+        private String name;
+        private double price;
+        private int quantity;
+
+        public Product(int id, String name, double price, int quantity) {
+            this.id = id;
+            this.name = name;
+            this.price = price;
+            this.quantity = quantity;
+        }
+
+        public int getId() {
+            return id;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public double getPrice() {
+            return price;
+        }
+
+        public int getQuantity() {
+            return quantity;
+        }
+
+        public void setQuantity(int quantity) {
+            this.quantity = quantity;
+        }
+    }
+
+    private List<Product> products;
+
+    public MedicalStore() {
+        products = new ArrayList<>();
+    }
+
+    public void addProduct(Product product) {
+        products.add(product);
+    }
+
+    public void listProducts() {
+        System.out.println("Products available:");
+        for (Product product : products) {
+            System.out.println(product.getId() + ". " + product.getName() + " - $" + product.getPrice());
+        }
+    }
+
+    public Product findProductById(int id) {
+        for (Product product : products) {
+            if (product.getId() == id) {
+                return product;
+            }
+        }
+        return null;
+    }
+
+    public void sellProduct(int productId, int quantity) {
+        Product product = findProductById(productId);
+        if (product != null && product.getQuantity() >= quantity) {
+            product.setQuantity(product.getQuantity() - quantity);
+            System.out.println(quantity + " " + product.getName() + " sold for $" + (product.getPrice() * quantity));
+        } else {
+            System.out.println("Product not available or insufficient quantity.");
+        }
+    }
+
+    public static void main(String[] args) {
+        MedicalStore store = new MedicalStore();
+        store.addProduct(new Product(1, "Painkiller", 5.99, 50));
+        store.addProduct(new Product(2, "Bandages", 3.49, 100));
+        store.addProduct(new Product(3, "Vitamins", 8.99, 30);
+
+        Scanner scanner = new Scanner(System.in);
+
+        while (true) {
+            System.out.println("\n1. List Products");
+            System.out.println("2. Sell Product");
+            System.out.println("3. Exit");
+            System.out.print("Select an option: ");
+
+            int choice = scanner.nextInt();
+
+            switch (choice) {
+                case 1:
+                    store.listProducts();
+                    break;
+                case 2:
+                    System.out.print("Enter product ID: ");
+                    int productId = scanner.nextInt();
+                    System.out.print("Enter quantity: ");
+                    int quantity = scanner.nextInt();
+                    store.sellProduct(productId, quantity);
+                    break;
+                case 3:
+                    System.out.println("Exiting...");
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid option. Please try again.");
+            }
+        }
+    }
+}