Merge pull request #417 from Shalavya8103/shalavya8103

Create stock_management.java

Author: kishanrajput23

stock_management.java

@@ -0,0 +1,119 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class StockManagementSystem {
+
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+
+        // create an empty arraylist to hold the stocks
+        ArrayList<Stock> stocks = new ArrayList<>();
+
+        // display the menu and ask for user input
+        int choice;
+        do {
+            System.out.println("1. Add stock");
+            System.out.println("2. Remove stock");
+            System.out.println("3. View stock");
+            System.out.println("4. Exit");
+            System.out.print("Enter your choice: ");
+            choice = input.nextInt();
+
+            switch (choice) {
+                case 1:
+                    // ask for stock details
+                    System.out.print("Enter the stock name: ");
+                    String name = input.next();
+                    System.out.print("Enter the stock quantity: ");
+                    int quantity = input.nextInt();
+                    System.out.print("Enter the stock price: ");
+                    double price = input.nextDouble();
+
+                    // create a new Stock object and add it to the arraylist
+                    Stock newStock = new Stock(name, quantity, price);
+                    stocks.add(newStock);
+
+                    System.out.println("Stock added successfully");
+                    break;
+
+                case 2:
+                    // ask for the stock name and quantity to remove
+                    System.out.print("Enter the stock name: ");
+                    String stockName = input.next();
+                    System.out.print("Enter the quantity to remove: ");
+                    int removeQuantity = input.nextInt();
+
+                    // loop through the stocks to find the matching stock
+                    boolean stockFound = false;
+                    for (Stock stock : stocks) {
+                        if (stock.getName().equals(stockName)) {
+                            // if the stock is found, remove the specified quantity
+                            stockFound = true;
+                            stock.removeQuantity(removeQuantity);
+                            System.out.println("Stock removed successfully");
+                            break;
+                        }
+                    }
+                    if (!stockFound) {
+                        System.out.println("Stock not found");
+                    }
+                    break;
+
+                case 3:
+                    // display the list of stocks
+                    System.out.println("Current stocks:");
+                    for (Stock stock : stocks) {
+                        System.out.println(stock.toString());
+                    }
+                    break;
+
+                case 4:
+                    System.out.println("Exiting the program...");
+                    break;
+
+                default:
+                    System.out.println("Invalid choice, try again.");
+                    break;
+            }
+
+        } while (choice != 4);
+
+        input.close();
+    }
+}
+
+class Stock {
+    private String name;
+    private int quantity;
+    private double price;
+
+    public Stock(String name, int quantity, double price) {
+        this.name = name;
+        this.quantity = quantity;
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public void removeQuantity(int quantityToRemove) {
+        if (quantityToRemove <= quantity) {
+            quantity -= quantityToRemove;
+        } else {
+            System.out.println("Not enough quantity to remove");
+        }
+    }
+
+    public String toString() {
+        return name + ", quantity: " + quantity + ", price: $" + price;
+    }
+}