banking system added

bankingSystrem/bankingSystem.java

@@ -0,0 +1,170 @@
+/**
+ * Simple Banking System
+ * Basic bank account operations - deposit, withdraw, check balance
+ * 
+ * @author Your Name
+ * @version 1.0
+ */
+
+import java.util.Scanner;
+
+class BankAccount {
+    private String accountHolder;
+    private String accountNumber;
+    private double balance;
+
+    /**
+     * Constructor to create new bank account
+     * @param accountHolder Name of account holder
+     * @param accountNumber Unique account number
+     * @param initialBalance Initial deposit amount
+     */
+    public BankAccount(String accountHolder, String accountNumber, double initialBalance) {
+        this.accountHolder = accountHolder;
+        this.accountNumber = accountNumber;
+        this.balance = initialBalance;
+    }
+
+    /**
+     * Deposits money into account
+     * @param amount Amount to deposit
+     */
+    public void deposit(double amount) {
+        if (amount > 0) {
+            balance += amount;
+            System.out.println("\n✓ Deposit Successful!");
+            System.out.printf("Amount deposited: $%.2f%n", amount);
+            System.out.printf("New balance: $%.2f%n", balance);
+        } else {
+            System.out.println("\n✗ Invalid amount! Please enter a positive value.");
+        }
+    }
+
+    /**
+     * Withdraws money from account
+     * @param amount Amount to withdraw
+     */
+    public void withdraw(double amount) {
+        if (amount > 0) {
+            if (amount <= balance) {
+                balance -= amount;
+                System.out.println("\n✓ Withdrawal Successful!");
+                System.out.printf("Amount withdrawn: $%.2f%n", amount);
+                System.out.printf("Remaining balance: $%.2f%n", balance);
+            } else {
+                System.out.println("\n✗ Insufficient balance!");
+                System.out.printf("Available balance: $%.2f%n", balance);
+            }
+        } else {
+            System.out.println("\n✗ Invalid amount! Please enter a positive value.");
+        }
+    }
+
+    /**
+     * Displays current balance
+     */
+    public void checkBalance() {
+        System.out.println("\n" + "=".repeat(40));
+        System.out.println("Account Holder: " + accountHolder);
+        System.out.println("Account Number: " + accountNumber);
+        System.out.printf("Current Balance: $%.2f%n", balance);
+        System.out.println("=".repeat(40));
+    }
+
+    /**
+     * Displays account details
+     */
+    public void displayAccountInfo() {
+        System.out.println("\n╔════════════════════════════════════╗");
+        System.out.println("║        ACCOUNT INFORMATION        ║");
+        System.out.println("╚════════════════════════════════════╝");
+        System.out.println("Account Holder : " + accountHolder);
+        System.out.println("Account Number : " + accountNumber);
+        System.out.printf("Balance        : $%.2f%n", balance);
+    }
+}
+
+public class SimpleBankingSystem {
+
+    public static void displayMenu() {
+        System.out.println("\n╔════════════════════════════════════╗");
+        System.out.println("║         BANKING MENU              ║");
+        System.out.println("╠════════════════════════════════════╣");
+        System.out.println("║ 1. Check Balance                  ║");
+        System.out.println("║ 2. Deposit Money                  ║");
+        System.out.println("║ 3. Withdraw Money                 ║");
+        System.out.println("║ 4. Account Information            ║");
+        System.out.println("║ 5. Exit                           ║");
+        System.out.println("╚════════════════════════════════════╝");
+        System.out.print("Enter your choice (1-5): ");
+    }
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        // Welcome screen
+        System.out.println("\n╔════════════════════════════════════════╗");
+        System.out.println("║   WELCOME TO SIMPLE BANKING SYSTEM    ║");
+        System.out.println("╚════════════════════════════════════════╝\n");
+
+        // Create account
+        System.out.print("Enter account holder name: ");
+        String name = scanner.nextLine();
+
+        System.out.print("Enter account number: ");
+        String accountNum = scanner.nextLine();
+
+        double initialDeposit;
+        do {
+            System.out.print("Enter initial deposit amount: $");
+            initialDeposit = scanner.nextDouble();
+            if (initialDeposit < 0) {
+                System.out.println("Invalid amount! Please enter a positive value.");
+            }
+        } while (initialDeposit < 0);
+
+        BankAccount account = new BankAccount(name, accountNum, initialDeposit);
+
+        System.out.println("\n✓ Account created successfully!");
+
+        // Main menu loop
+        boolean running = true;
+        while (running) {
+            displayMenu();
+            int choice = scanner.nextInt();
+
+            switch (choice) {
+                case 1:
+                    account.checkBalance();
+                    break;
+
+                case 2:
+                    System.out.print("\nEnter amount to deposit: $");
+                    double depositAmount = scanner.nextDouble();
+                    account.deposit(depositAmount);
+                    break;
+
+                case 3:
+                    System.out.print("\nEnter amount to withdraw: $");
+                    double withdrawAmount = scanner.nextDouble();
+                    account.withdraw(withdrawAmount);
+                    break;
+
+                case 4:
+                    account.displayAccountInfo();
+                    break;
+
+                case 5:
+                    System.out.println("\n✓ Thank you for using Simple Banking System!");
+                    System.out.println("Goodbye! 👋");
+                    running = false;
+                    break;
+
+                default:
+                    System.out.println("\n✗ Invalid choice! Please enter 1-5.");
+            }
+        }
+
+        scanner.close();
+    }
+}