PersonalFinanceTracker.java

Java/PersonalFinanceTracker.java

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+// =====================================
+// 🔹 Title: Personal Finance Tracker
+// =====================================
+
+import java.util.*;
+
+class Transaction {
+    String type;
+    double amount;
+    String description;
+
+    Transaction(String type, double amount, String description) {
+        this.type = type;
+        this.amount = amount;
+        this.description = description;
+    }
+}
+
+public class FinanceTracker {
+    private static final List<Transaction> transactions = new ArrayList<>();
+    private static final Scanner sc = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        int choice;
+        do {
+            System.out.println("\n===== PERSONAL FINANCE TRACKER =====");
+            System.out.println("1. Add Income");
+            System.out.println("2. Add Expense");
+            System.out.println("3. View Summary");
+            System.out.println("0. Exit");
+            System.out.print("Choice: ");
+            choice = sc.nextInt();
+
+            switch (choice) {
+                case 1 -> addTransaction("Income");
+                case 2 -> addTransaction("Expense");
+                case 3 -> viewSummary();
+                case 0 -> System.out.println("Exiting...");
+                default -> System.out.println("Invalid choice!");
+            }
+        } while (choice != 0);
+    }
+
+    private static void addTransaction(String type) {
+        sc.nextLine();
+        System.out.print("Enter amount: ");
+        double amount = sc.nextDouble();
+        sc.nextLine();
+        System.out.print("Enter description: ");
+        String desc = sc.nextLine();
+        transactions.add(new Transaction(type, amount, desc));
+        System.out.println("✅ Transaction recorded!");
+    }
+
+    private static void viewSummary() {
+        double income = 0, expense = 0;
+        for (Transaction t : transactions) {
+            if (t.type.equals("Income")) income += t.amount;
+            else expense += t.amount;
+        }
+        System.out.println("\n💵 Income: $" + income);
+        System.out.println("💸 Expense: $" + expense);
+        System.out.println("📊 Balance: $" + (income - expense));
+    }
+}