From 07714d5497db359a11abbd32dcca10d4436907df Mon Sep 17 00:00:00 2001
From: asmhatre <asmhatre@gmail.com>
Date: Tue, 4 Aug 2026 17:32:17 +0000
Subject: [PATCH] Part 5: credit card subtype

---
 .../jackson3/part5polymorphic/CreditCardPayment.java  | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/main/java/com/ankurm/jackson3/part5polymorphic/CreditCardPayment.java

diff --git a/src/main/java/com/ankurm/jackson3/part5polymorphic/CreditCardPayment.java b/src/main/java/com/ankurm/jackson3/part5polymorphic/CreditCardPayment.java
new file mode 100644
index 0000000..d13e1fb
--- /dev/null
+++ b/src/main/java/com/ankurm/jackson3/part5polymorphic/CreditCardPayment.java
@@ -0,0 +1,11 @@
+package com.ankurm.jackson3.part5polymorphic;
+
+public class CreditCardPayment extends PaymentMethod {
+    private String cardNumberLastFour;
+    private String cardNetwork;                 // "VISA", "MASTERCARD", etc.
+
+    public String getCardNumberLastFour() { return cardNumberLastFour; }
+    public String getCardNetwork()        { return cardNetwork; }
+    public void setCardNumberLastFour(String v) { this.cardNumberLastFour = v; }
+    public void setCardNetwork(String v)        { this.cardNetwork = v; }
+}