Merge pull request #259 from VaibhavS0710/Contribution

ATM machine

Java/examples/ATM.java

@@ -0,0 +1,70 @@
+import java.util.Scanner;
+
+public class ATM {
+
+    private double balance;
+
+    public ATM(double initialBalance){
+        this.balance = initialBalance;
+    }
+    public double getBalance(){
+        return balance;
+    }
+    public void deposit(double amount){
+        if(amount > 0){
+            balance += amount;
+            System.out.println("Deposit successful. Current balance: " + balance);
+        }
+        else{
+            System.out.println("Invalid deposit amount.");
+        }
+    }
+    public void withdraw(double amount){
+        if(amount > 0 && amount <= balance){
+            balance -= amount;
+            System.out.println("Withdrawal successful. Current balance: " + balance);
+        }
+        else{
+            System.out.println("Invalid withdrawal amount or insufficient funds.");
+        }
+    }
+
+    public static void main(String[] args) {
+        ATM atm = new ATM(1000.00);
+        Scanner sc = new Scanner(System.in);
+
+        while (true){
+            System.out.println("Choose an option:");
+            System.out.println("1. Check balance");
+            System.out.println("2. Deposit");
+            System.out.println("3. Withdraw");
+            System.out.println("4. Exit");
+            System.out.println("Enter your choice: ");
+
+            int choice = sc.nextInt();
+
+            switch (choice){
+                case 1:
+                    System.out.println("Your balance is: " + atm.getBalance());
+                    break;
+                case 2:
+                    System.out.println("Enter deposit amount: ");
+                    double depositAmount = sc.nextDouble();
+                    atm.deposit(depositAmount);
+                    break;
+                case 3:
+                    System.out.println("Enter withdrawal amount: ");
+                    double withdrawalAmount = sc.nextDouble();
+                    atm.withdraw(withdrawalAmount);
+                    break;
+                case 4:
+                    System.out.println("Thank you for using our ATM. Goodbye!");
+                    sc.close();
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid choice. Please enter a valid option.");
+            }
+        }
+    }
+
+}