Polishing

spring-core/src/main/java/org/springframework/asm/package-info.java

@@ -1,6 +1,6 @@
 /**
  * Spring's repackaging of
- * <a href="http://asm.ow2.org">org.objectweb.asm 5.0</a>
+ * <a href="http://asm.ow2.org">ASM</a>
  * (for internal use only).
  *
  * <p>This repackaging technique avoids any potential conflicts with
@@ -8,8 +8,6 @@
  * libraries and frameworks.
  *
  * <p>As this repackaging happens at the class file level, sources
- * and javadocs are not available here. See the original ObjectWeb
- * <a href="http://asm.ow2.org/asm50/javadoc/user">ASM 5.0 javadocs</a>
- * for details when working with these classes.
+ * and javadocs are not available here.
  */
 package org.springframework.asm;

spring-core/src/main/java/org/springframework/cglib/package-info.java

@@ -1,6 +1,6 @@
 /**
  * Spring's repackaging of
- * <a href="http://cglib.sourceforge.net">net.sf.cglib 3.2</a>
+ * <a href="http://cglib.sourceforge.net">CGLIB</a>
  * (for internal use only).
  *
  * <p>This repackaging technique avoids any potential conflicts with
@@ -8,8 +8,6 @@
  * libraries and frameworks.
  *
  * <p>As this repackaging happens at the class file level, sources
- * and javadocs are not available here. See the original
- * <a href="http://cglib.sourceforge.net/apidocs">CGLIB 3.2 javadocs</a>
- * for details when working with these classes.
+ * and javadocs are not available here.
  */
 package org.springframework.cglib;

spring-core/src/main/java/org/springframework/core/convert/support/CollectionToObjectConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2017 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.
@@ -57,7 +57,7 @@ final class CollectionToObjectConverter implements ConditionalGenericConverter {
 			return source;
 		}
 		Collection<?> sourceCollection = (Collection<?>) source;
-		if (sourceCollection.size() == 0) {
+		if (sourceCollection.isEmpty()) {
 			return null;
 		}
 		Object firstElement = sourceCollection.iterator().next();