From 480fdd064cc2caa3e3adc78ec762aaa286ce4a3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=93scar=20L=C3=B3pez?= <olopezp@amazon.com>
Date: Sat, 10 Oct 2020 09:40:04 +0200
Subject: [PATCH] Add missing readResolve() method in serialization proxy
 example

---
 src/effectivejava/chapter12/item90/Period.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/effectivejava/chapter12/item90/Period.java b/src/effectivejava/chapter12/item90/Period.java
index 71aaf712..07df3731 100644
--- a/src/effectivejava/chapter12/item90/Period.java
+++ b/src/effectivejava/chapter12/item90/Period.java
@@ -43,6 +43,10 @@ private static class SerializationProxy implements Serializable {
 
         private static final long serialVersionUID =
                 234098243823485285L; // Any number will do (Item 87)
+
+        private Object readResolve() {
+            return new Period(start, end); // Uses public constructor
+        }
     }
 
     // writeReplace method for the serialization proxy pattern