Polishing

spring-core/src/main/java/org/springframework/core/env/PropertySource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -134,9 +134,9 @@ public abstract class PropertySource<T> {
 	 * <p>No properties other than {@code name} are evaluated.
 	 */
 	@Override
-	public boolean equals(@Nullable Object other) {
-		return (this == other || (other instanceof PropertySource &&
-				ObjectUtils.nullSafeEquals(getName(), ((PropertySource<?>) other).getName())));
+	public boolean equals(@Nullable Object obj) {
+		return (this == obj || (obj instanceof PropertySource<?> other &&
+				ObjectUtils.nullSafeEquals(getName(), other.getName())));
 	}
 
 	/**