From c0bb2dc3d185604d03632522091bf4261094db55 Mon Sep 17 00:00:00 2001
From: vyshnavitellagorla
 <131364723+vyshnavitellagorla@users.noreply.github.com>
Date: Mon, 27 May 2024 12:38:43 +0530
Subject: [PATCH] Add files via upload

---
 Bank.java      | 115 ++++++++++++++++++++++++++++++++++
 Ecommerce.java | 166 +++++++++++++++++++++++++++++++++++++++++++++++++
 hospital.java  | 138 ++++++++++++++++++++++++++++++++++++++++
 media.java     | 122 ++++++++++++++++++++++++++++++++++++
 4 files changed, 541 insertions(+)
 create mode 100644 Bank.java
 create mode 100644 Ecommerce.java
 create mode 100644 hospital.java
 create mode 100644 media.java

diff --git a/Bank.java b/Bank.java
new file mode 100644
index 0000000..5106bd5
--- /dev/null
+++ b/Bank.java
@@ -0,0 +1,115 @@
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Scanner;
+
+class Account {
+    private String accountNumber;
+    private String holderName;
+    private double balance;
+
+    public Account(String accountNumber, String holderName, double balance) {
+        this.accountNumber = accountNumber;
+        this.holderName = holderName;
+        this.balance = balance;
+    }
+
+    public String getAccountNumber() {
+        return accountNumber;
+    }
+
+    public String getHolderName() {
+        return holderName;
+    }
+
+    public double getBalance() {
+        return balance;
+    }
+
+    public void deposit(double amount) {
+        balance += amount;
+    }
+
+    public void withdraw(double amount) {
+        if (amount <= balance) {
+            balance -= amount;
+        } else {
+            System.out.println("Insufficient funds!");
+        }
+    }
+}
+
+public class OnlineBankingSystem {
+    private static Map<String, Account> accounts = new HashMap<>();
+    private static Scanner scanner = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        while (true) {
+            System.out.println("1. Create Account");
+            System.out.println("2. Deposit");
+            System.out.println("3. Withdraw");
+            System.out.println("4. Exit");
+            System.out.print("Choose an option: ");
+            int option = scanner.nextInt();
+            scanner.nextLine();  // Consume newline character
+            
+            switch (option) {
+                case 1:
+                    createAccount();
+                    break;
+                case 2:
+                    deposit();
+                    break;
+                case 3:
+                    withdraw();
+                    break;
+                case 4:
+                    System.out.println("Exiting...");
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid option!");
+            }
+        }
+    }
+
+    private static void createAccount() {
+        System.out.print("Enter account number: ");
+        String accountNumber = scanner.nextLine();
+        System.out.print("Enter holder name: ");
+        String holderName = scanner.nextLine();
+        System.out.print("Enter initial balance: ");
+        double balance = scanner.nextDouble();
+        scanner.nextLine();  // Consume newline character
+
+        Account account = new Account(accountNumber, holderName, balance);
+        accounts.put(accountNumber, account);
+        System.out.println("Account created successfully!");
+    }
+
+    private static void deposit() {
+        System.out.print("Enter account number: ");
+        String accountNumber = scanner.nextLine();
+        Account account = accounts.get(accountNumber);
+        if (account != null) {
+            System.out.print("Enter deposit amount: ");
+            double amount = scanner.nextDouble();
+            account.deposit(amount);
+            System.out.println("Deposit successful. New balance: " + account.getBalance());
+        } else {
+            System.out.println("Account not found!");
+        }
+    }
+
+    private static void withdraw() {
+        System.out.print("Enter account number: ");
+        String accountNumber = scanner.nextLine();
+        Account account = accounts.get(accountNumber);
+        if (account != null) {
+            System.out.print("Enter withdrawal amount: ");
+            double amount = scanner.nextDouble();
+            account.withdraw(amount);
+            System.out.println("Withdrawal successful. New balance: " + account.getBalance());
+        } else {
+            System.out.println("Account not found!");
+        }
+    }
+}
diff --git a/Ecommerce.java b/Ecommerce.java
new file mode 100644
index 0000000..40ea379
--- /dev/null
+++ b/Ecommerce.java
@@ -0,0 +1,166 @@
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+class Product {
+    private int id;
+    private String name;
+    private double price;
+
+    public Product(int id, String name, double price) {
+        this.id = id;
+        this.name = name;
+        this.price = price;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+}
+
+class CartItem {
+    private Product product;
+    private int quantity;
+
+    public CartItem(Product product, int quantity) {
+        this.product = product;
+        this.quantity = quantity;
+    }
+
+    public Product getProduct() {
+        return product;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+}
+
+class ShoppingCart {
+    private List<CartItem> items;
+
+    public ShoppingCart() {
+        this.items = new ArrayList<>();
+    }
+
+    public void addItem(CartItem item) {
+        items.add(item);
+    }
+
+    public List<CartItem> getItems() {
+        return items;
+    }
+
+    public double calculateTotal() {
+        double total = 0;
+        for (CartItem item : items) {
+            total += item.getProduct().getPrice() * item.getQuantity();
+        }
+        return total;
+    }
+}
+
+public class ECommercePlatform {
+    private static List<Product> products = new ArrayList<>();
+    private static ShoppingCart cart = new ShoppingCart();
+    private static Scanner scanner = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        initializeProducts();
+
+        while (true) {
+            System.out.println("1. Browse Products");
+            System.out.println("2. Add to Cart");
+            System.out.println("3. View Cart");
+            System.out.println("4. Checkout");
+            System.out.println("5. Exit");
+            System.out.print("Choose an option: ");
+            int option = scanner.nextInt();
+            scanner.nextLine();  // Consume newline character
+            
+            switch (option) {
+                case 1:
+                    browseProducts();
+                    break;
+                case 2:
+                    addToCart();
+                    break;
+                case 3:
+                    viewCart();
+                    break;
+                case 4:
+                    checkout();
+                    break;
+                case 5:
+                    System.out.println("Exiting...");
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid option!");
+            }
+        }
+    }
+
+    private static void initializeProducts() {
+        products.add(new Product(1, "Product 1", 10.0));
+        products.add(new Product(2, "Product 2", 20.0));
+        // Add more products here
+    }
+
+    private static void browseProducts() {
+        System.out.println("Available Products:");
+        for (Product product : products) {
+            System.out.println(product.getId() + ". " + product.getName() + " - $" + product.getPrice());
+        }
+    }
+
+    private static void addToCart() {
+        System.out.print("Enter product ID: ");
+        int productId = scanner.nextInt();
+        scanner.nextLine();  // Consume newline character
+        Product selectedProduct = null;
+        for (Product product : products) {
+            if (product.getId() == productId) {
+                selectedProduct = product;
+                break;
+            }
+        }
+        if (selectedProduct != null) {
+            System.out.print("Enter quantity: ");
+            int quantity = scanner.nextInt();
+            scanner.nextLine();  // Consume newline character
+            cart.addItem(new CartItem(selectedProduct, quantity));
+            System.out.println("Item added to cart!");
+        } else {
+            System.out.println("Product not found!");
+        }
+    }
+
+    private static void viewCart() {
+        List<CartItem> items = cart.getItems();
+        if (items.isEmpty()) {
+            System.out.println("Cart is empty.");
+        } else {
+            System.out.println("Cart:");
+            for (CartItem item : items) {
+                System.out.println(item.getProduct().getName() + " - Quantity: " + item.getQuantity());
+            }
+            System.out.println("Total: $" + cart.calculateTotal());
+        }
+    }
+
+    private static void checkout() {
+        System.out.println("Checkout - Total: $" + cart.calculateTotal());
+        System.out.println("Thank you for shopping with us!");
+        // Logic for completing the checkout process (e.g., payment, order creation, etc.) would go here
+        // This is a simplified version without payment integration or order tracking
+        cart = new ShoppingCart(); // Clear the cart after checkout
+    }
+}
diff --git a/hospital.java b/hospital.java
new file mode 100644
index 0000000..a34b246
--- /dev/null
+++ b/hospital.java
@@ -0,0 +1,138 @@
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+class Patient {
+    private String name;
+    private int age;
+    private String gender;
+    private String address;
+    private String phoneNumber;
+
+    public Patient(String name, int age, String gender, String address, String phoneNumber) {
+        this.name = name;
+        this.age = age;
+        this.gender = gender;
+        this.address = address;
+        this.phoneNumber = phoneNumber;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public String toString() {
+        return "Name: " + name + ", Age: " + age + ", Gender: " + gender + ", Address: " + address + ", Phone: " + phoneNumber;
+    }
+}
+
+class HospitalManagementSystem {
+    private List<Patient> patientRecords;
+    private Map<Date, List<Patient>> appointmentSchedule;
+
+    public HospitalManagementSystem() {
+        patientRecords = new ArrayList<>();
+        appointmentSchedule = new HashMap<>();
+    }
+
+    public void addPatientRecord(Patient patient) {
+        patientRecords.add(patient);
+    }
+
+    public void scheduleAppointment(Date date, Patient patient) {
+        appointmentSchedule.computeIfAbsent(date, k -> new ArrayList<>()).add(patient);
+    }
+
+    public void displayPatientRecords() {
+        System.out.println("Patient Records:");
+        for (Patient patient : patientRecords) {
+            System.out.println(patient);
+        }
+    }
+
+    public void displayAppointmentSchedule() {
+        System.out.println("Appointment Schedule:");
+        for (Map.Entry<Date, List<Patient>> entry : appointmentSchedule.entrySet()) {
+            System.out.println("Date: " + entry.getKey());
+            System.out.println("Patients:");
+            for (Patient patient : entry.getValue()) {
+                System.out.println(patient);
+            }
+            System.out.println();
+        }
+    }
+
+    public Patient getPatientByName(String name) {
+        for (Patient patient : patientRecords) {
+            if (patient.getName().equals(name)) {
+                return patient;
+            }
+        }
+        return null;
+    }
+}
+
+public class HospitalSystemDemo {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        HospitalManagementSystem hospitalSystem = new HospitalManagementSystem();
+
+        // Input patient records
+        System.out.println("Enter patient information (name, age, gender, address, phone), type 'done' to finish:");
+        while (true) {
+            System.out.print("Patient name: ");
+            String name = scanner.nextLine();
+            if (name.equals("done")) break;
+            System.out.print("Patient age: ");
+            int age = Integer.parseInt(scanner.nextLine());
+            System.out.print("Patient gender: ");
+            String gender = scanner.nextLine();
+            System.out.print("Patient address: ");
+            String address = scanner.nextLine();
+            System.out.print("Patient phone number: ");
+            String phoneNumber = scanner.nextLine();
+
+            hospitalSystem.addPatientRecord(new Patient(name, age, gender, address, phoneNumber));
+        }
+
+        // Input appointment scheduling
+        System.out.println("Enter appointment scheduling (date YYYY-MM-DD, patient name), type 'done' to finish:");
+        while (true) {
+            System.out.print("Date (YYYY-MM-DD): ");
+            String dateString = scanner.nextLine();
+            if (dateString.equals("done")) break;
+            System.out.print("Patient name: ");
+            String patientName = scanner.nextLine();
+
+            // Parse date
+            Date date = parseDate(dateString);
+            if (date != null) {
+                Patient patient = hospitalSystem.getPatientByName(patientName);
+                if (patient != null) {
+                    hospitalSystem.scheduleAppointment(date, patient);
+                } else {
+                    System.out.println("Patient not found.");
+                }
+            } else {
+                System.out.println("Invalid date format.");
+            }
+        }
+
+        // Display patient records and appointment schedule
+        hospitalSystem.displayPatientRecords();
+        hospitalSystem.displayAppointmentSchedule();
+
+        scanner.close();
+    }
+
+    private static Date parseDate(String dateString) {
+        try {
+            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
+            return dateFormat.parse(dateString);
+        } catch (ParseException e) {
+            System.out.println("Error parsing date: " + e.getMessage());
+            return null;
+        }
+    }
+}
diff --git a/media.java b/media.java
new file mode 100644
index 0000000..9d103d3
--- /dev/null
+++ b/media.java
@@ -0,0 +1,122 @@
+import java.util.*;
+
+class User {
+    private String username;
+    private String fullName;
+    private String email;
+    // Add more user profile information as needed
+
+    public User(String username, String fullName, String email) {
+        this.username = username;
+        this.fullName = fullName;
+        this.email = email;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    @Override
+    public String toString() {
+        return "Username: " + username + ", Full Name: " + fullName + ", Email: " + email;
+    }
+}
+
+class Post {
+    private String content;
+    private User author;
+    private List<Comment> comments;
+
+    public Post(String content, User author) {
+        this.content = content;
+        this.author = author;
+        this.comments = new ArrayList<>();
+    }
+
+    public void addComment(Comment comment) {
+        comments.add(comment);
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Author: ").append(author.getUsername()).append("\n");
+        sb.append("Content: ").append(content).append("\n");
+        sb.append("Comments:\n");
+        for (Comment comment : comments) {
+            sb.append(comment).append("\n");
+        }
+        return sb.toString();
+    }
+}
+
+class Comment {
+    private String content;
+    private User author;
+
+    public Comment(String content, User author) {
+        this.content = content;
+        this.author = author;
+    }
+
+    @Override
+    public String toString() {
+        return "Comment by " + author.getUsername() + ": " + content;
+    }
+}
+
+public class SocialNetworkingDemo {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        List<User> users = new ArrayList<>();
+        List<Post> posts = new ArrayList<>();
+
+        // Dynamic input for creating users
+        System.out.println("Create users (username, full name, email), type 'done' to finish:");
+        while (true) {
+            System.out.print("Username: ");
+            String username = scanner.nextLine();
+            if (username.equals("done")) break;
+            System.out.print("Full Name: ");
+            String fullName = scanner.nextLine();
+            System.out.print("Email: ");
+            String email = scanner.nextLine();
+
+            User user = new User(username, fullName, email);
+            users.add(user);
+        }
+
+        // Dynamic input for creating posts and comments
+        for (User user : users) {
+            System.out.println("User: " + user.getUsername());
+            System.out.println("Create posts, type 'done' to finish:");
+            while (true) {
+                System.out.print("Post content: ");
+                String content = scanner.nextLine();
+                if (content.equals("done")) break;
+
+                Post post = new Post(content, user);
+                posts.add(post);
+
+                // Allow commenting on the post
+                System.out.println("Add comments to this post, type 'done' to finish:");
+                while (true) {
+                    System.out.print("Comment content: ");
+                    String commentContent = scanner.nextLine();
+                    if (commentContent.equals("done")) break;
+
+                    Comment comment = new Comment(commentContent, user);
+                    post.addComment(comment);
+                }
+            }
+        }
+
+        // Display all posts
+        System.out.println("\nAll Posts:");
+        for (Post post : posts) {
+            System.out.println(post);
+        }
+
+        scanner.close();
+    }
+}