Polishing

spring-core/src/main/java/org/springframework/core/io/FileUrlResource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -52,7 +52,7 @@ public class FileUrlResource extends UrlResource implements WritableResource {
 	/**
 	 * Create a new {@code FileUrlResource} based on the given URL object.
 	 * <p>Note that this does not enforce "file" as URL protocol. If a protocol
-	 * is known to be resolvable to a file,
+	 * is known to be resolvable to a file, it is acceptable for this purpose.
 	 * @param url a URL
 	 * @see ResourceUtils#isFileURL(URL)
 	 * @see #getFile()

spring-core/src/main/java/org/springframework/util/MimeTypeUtils.java

@@ -428,7 +428,7 @@ public abstract class MimeTypeUtils {
 
 		private final Function<K, V> generator;
 
-		private volatile int size = 0;
+		private volatile int size;
 
 		public ConcurrentLruCache(int maxSize, Function<K, V> generator) {
 			Assert.isTrue(maxSize > 0, "LRU max size should be positive");