diff --git a/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java b/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
index 36ee67f3a92..3ee9d55702a 100644
--- a/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
+++ b/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,7 +50,7 @@ import org.springframework.util.StringValueResolver;
  * XSD documentation for complete details.
  *
  * <p>Any local properties (for example, those added via {@link #setProperties}, {@link #setLocations}
- * et al.) are added as a {@code PropertySource}. Search precedence of local properties is
+ * et al.) are added as a single {@link PropertySource}. Search precedence of local properties is
  * based on the value of the {@link #setLocalOverride localOverride} property, which is by
  * default {@code false} meaning that local properties are to be searched last, after all
  * environment property sources.
@@ -99,8 +99,9 @@ public class PropertySourcesPlaceholderConfigurer extends PlaceholderConfigurerS
 	}
 
 	/**
-	 * {@code PropertySources} from the given {@link Environment}
-	 * will be searched when replacing ${...} placeholders.
+	 * {@inheritDoc}
+	 * <p>{@code PropertySources} from the given {@link Environment} will be searched
+	 * when replacing ${...} placeholders.
 	 * @see #setPropertySources
 	 * @see #postProcessBeanFactory
 	 */
@@ -173,6 +174,7 @@ public class PropertySourcesPlaceholderConfigurer extends PlaceholderConfigurerS
 
 	/**
 	 * Create a {@link ConfigurablePropertyResolver} for the specified property sources.
+	 * <p>The default implementation creates a {@link PropertySourcesPropertyResolver}.
 	 * @param propertySources the property sources to use
 	 * @since 6.0.12
 	 */
@@ -185,7 +187,7 @@ public class PropertySourcesPlaceholderConfigurer extends PlaceholderConfigurerS
 	 * placeholders with values from the given properties.
 	 */
 	protected void processProperties(ConfigurableListableBeanFactory beanFactoryToProcess,
-			final ConfigurablePropertyResolver propertyResolver) throws BeansException {
+			ConfigurablePropertyResolver propertyResolver) throws BeansException {
 
 		propertyResolver.setPlaceholderPrefix(this.placeholderPrefix);
 		propertyResolver.setPlaceholderSuffix(this.placeholderSuffix);
diff --git a/spring-core/src/main/java/org/springframework/core/env/CompositePropertySource.java b/spring-core/src/main/java/org/springframework/core/env/CompositePropertySource.java
index c3c0ba4aae1..991316d459a 100644
--- a/spring-core/src/main/java/org/springframework/core/env/CompositePropertySource.java
+++ b/spring-core/src/main/java/org/springframework/core/env/CompositePropertySource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -40,6 +40,7 @@ import org.springframework.util.StringUtils;
  * @author Chris Beams
  * @author Juergen Hoeller
  * @author Phillip Webb
+ * @author Sam Brannen
  * @since 3.1.1
  */
 public class CompositePropertySource extends EnumerablePropertySource<Object> {
@@ -48,13 +49,35 @@ public class CompositePropertySource extends EnumerablePropertySource<Object> {
 
 
 	/**
-	 * Create a new {@code CompositePropertySource}.
-	 * @param name the name of the property source
+	 * Create a new empty {@code CompositePropertySource} with the given name.
+	 * @param name the name of the composite property source
+	 * @see #CompositePropertySource(String, Iterable)
+	 * @see #addPropertySource(PropertySource)
+	 * @see #addFirstPropertySource(PropertySource)
 	 */
 	public CompositePropertySource(String name) {
 		super(name);
 	}
 
+	/**
+	 * Create a new {@code CompositePropertySource} with the given name and
+	 * property sources supplied as an {@link Iterable} or {@link PropertySources}
+	 * implementation, preserving the original order of the property sources.
+	 * @param name the name of the composite property source
+	 * @param propertySources the initial set of {@link PropertySource} instances
+	 * @since 6.2.7
+	 * @see PropertySources
+	 * @see MutablePropertySources
+	 * @see #addPropertySource(PropertySource)
+	 * @see #addFirstPropertySource(PropertySource)
+	 */
+	public CompositePropertySource(String name, Iterable<PropertySource<?>> propertySources) {
+		this(name);
+		for (PropertySource<?> propertySource : propertySources) {
+			this.propertySources.add(propertySource);
+		}
+	}
+
 
 	@Override
 	public @Nullable Object getProperty(String name) {
diff --git a/spring-core/src/test/java/org/springframework/core/env/PropertySourcesPropertyResolverTests.java b/spring-core/src/test/java/org/springframework/core/env/PropertySourcesPropertyResolverTests.java
index 23654dfe10e..42faac60483 100644
--- a/spring-core/src/test/java/org/springframework/core/env/PropertySourcesPropertyResolverTests.java
+++ b/spring-core/src/test/java/org/springframework/core/env/PropertySourcesPropertyResolverTests.java
@@ -42,7 +42,7 @@ class PropertySourcesPropertyResolverTests {
 
 	private MutablePropertySources propertySources;
 
-	private ConfigurablePropertyResolver propertyResolver;
+	private PropertySourcesPropertyResolver propertyResolver;
 
 
 	@BeforeEach