From 742c95b1fc137e05b952bd0da7fc4a3cf59b014f Mon Sep 17 00:00:00 2001
From: Hyeon Sung <gorae930301@gmail.com>
Date: Wed, 15 May 2024 02:15:18 +0900
Subject: [PATCH] Use instanceof Pattern Matching

---
 .../security/authentication/AbstractAuthenticationToken.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/org/springframework/security/authentication/AbstractAuthenticationToken.java b/core/src/main/java/org/springframework/security/authentication/AbstractAuthenticationToken.java
index cfd066a912..d69483354f 100644
--- a/core/src/main/java/org/springframework/security/authentication/AbstractAuthenticationToken.java
+++ b/core/src/main/java/org/springframework/security/authentication/AbstractAuthenticationToken.java
@@ -112,8 +112,8 @@ public abstract class AbstractAuthenticationToken implements Authentication, Cre
 	}
 
 	private void eraseSecret(Object secret) {
-		if (secret instanceof CredentialsContainer) {
-			((CredentialsContainer) secret).eraseCredentials();
+		if (secret instanceof CredentialsContainer container) {
+			container.eraseCredentials();
 		}
 	}