From 0d10d4beeee3f33f69e4b1d84513e30ea08ccf66 Mon Sep 17 00:00:00 2001
From: Patrick Strawderman <pstrawderman@netflix.com>
Date: Tue, 21 Feb 2023 20:43:32 -0800
Subject: [PATCH] Initialize ArrayList with exact size in HttpHeaders

---
 .../src/main/java/org/springframework/http/HttpHeaders.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-web/src/main/java/org/springframework/http/HttpHeaders.java b/spring-web/src/main/java/org/springframework/http/HttpHeaders.java
index 7bbff3aba20..ff60fead827 100644
--- a/spring-web/src/main/java/org/springframework/http/HttpHeaders.java
+++ b/spring-web/src/main/java/org/springframework/http/HttpHeaders.java
@@ -593,7 +593,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 		String value = getFirst(ACCESS_CONTROL_ALLOW_METHODS);
 		if (value != null) {
 			String[] tokens = StringUtils.tokenizeToStringArray(value, ",");
-			List<HttpMethod> result = new ArrayList<>();
+			List<HttpMethod> result = new ArrayList<>(tokens.length);
 			for (String token : tokens) {
 				HttpMethod method = HttpMethod.valueOf(token);
 				result.add(method);