From 372282457f9ec788ce2e285d329e01db092c2d8f Mon Sep 17 00:00:00 2001
From: Patrick Strawderman <pstrawderman@netflix.com>
Date: Mon, 3 Jul 2023 19:03:35 -0700
Subject: [PATCH] Use Collections.emptyEnumeration() where appropriate

Closes gh-30803
---
 .../testfixture/index/CandidateComponentsTestClassLoader.java  | 3 +--
 .../web/servlet/handler/SimpleServletPostProcessor.java        | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/spring-context/src/testFixtures/java/org/springframework/context/testfixture/index/CandidateComponentsTestClassLoader.java b/spring-context/src/testFixtures/java/org/springframework/context/testfixture/index/CandidateComponentsTestClassLoader.java
index 122bb95c94..cc84bc78c0 100644
--- a/spring-context/src/testFixtures/java/org/springframework/context/testfixture/index/CandidateComponentsTestClassLoader.java
+++ b/spring-context/src/testFixtures/java/org/springframework/context/testfixture/index/CandidateComponentsTestClassLoader.java
@@ -43,8 +43,7 @@ public class CandidateComponentsTestClassLoader extends ClassLoader {
 	 * @see CandidateComponentsIndexLoader#COMPONENTS_RESOURCE_LOCATION
 	 */
 	public static ClassLoader disableIndex(ClassLoader classLoader) {
-		return new CandidateComponentsTestClassLoader(classLoader,
-				Collections.enumeration(Collections.emptyList()));
+		return new CandidateComponentsTestClassLoader(classLoader, Collections.emptyEnumeration());
 	}
 
 	/**
diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/handler/SimpleServletPostProcessor.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/handler/SimpleServletPostProcessor.java
index 2e7e31e553..e16ea6957a 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/handler/SimpleServletPostProcessor.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/handler/SimpleServletPostProcessor.java
@@ -170,7 +170,7 @@ public class SimpleServletPostProcessor implements
 
 		@Override
 		public Enumeration<String> getInitParameterNames() {
-			return Collections.enumeration(Collections.emptySet());
+			return Collections.emptyEnumeration();
 		}
 	}