From 6d682376a52322365da6577a4eb693091d5b5b72 Mon Sep 17 00:00:00 2001
From: Arthur <khartnjava@gmail.com>
Date: Fri, 21 Feb 2020 17:36:12 +0300
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---
 jcf.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/jcf.md b/jcf.md
index a58bef5..82c93cc 100644
--- a/jcf.md
+++ b/jcf.md
@@ -644,6 +644,26 @@ class CreditCard {
 }
 ```
 
+Результат выполнения кода:
+```
+adding to HM
+hashCode = 1285631513
+adding to IHM
+before modifying keys
+hashCode = 1285631513
+Does VISA card exists in HashMap? Yes
+Does VISA card exists in IdenityHashMap? Yes
+after modifying keys
+hashCode = 791156485
+Does VISA card exists in HashMap? No
+Does VISA card exists in IdenityHashMap? Yes
+cardToExpiry.containsKey
+hashCode = 791156485
+false
+cardToExpiryIdenity.containsKey
+true
+```
+
 [к оглавлению](#java-collections-framework)
 
 ## В чем разница между `HashMap` и `WeakHashMap`? Для чего используется `WeakHashMap`?