Expense Tracker.java

Author: msrihanreddy5-code

Expense Tracker.java

@@ -0,0 +1,27 @@
+import java.util.*;
+
+public class ExpenseTracker {
+    public static void main(String[] args) {
+        HashMap<String, Integer> map = new HashMap<>();
+        Scanner sc = new Scanner(System.in);
+
+        while (true) {
+            System.out.println("1.Add Expense 2.View 3.Exit");
+            int ch = sc.nextInt();
+            sc.nextLine();
+
+            if (ch == 1) {
+                System.out.print("Category: ");
+                String c = sc.nextLine();
+                System.out.print("Amount: ");
+                int a = sc.nextInt();
+                map.put(c, map.getOrDefault(c, 0) + a);
+            } 
+            else if (ch == 2) {
+                for (String k : map.keySet())
+                    System.out.println(k + ": " + map.get(k));
+            } 
+            else break;
+        }
+    }
+}