Fix unused type compiler warnings

spring-core/src/test/java/org/springframework/core/BridgeMethodResolverTests.java

@@ -560,6 +560,7 @@ public class BridgeMethodResolverTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class StringGenericParameter implements GenericParameter<String> {
 
 		@Override
@@ -1163,6 +1164,7 @@ public class BridgeMethodResolverTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class MegaMessageProducerImpl extends Other<Long, String> implements MegaMessageProducer {
 
 		public void receive(NewMegaMessageEvent event) {
@@ -1198,6 +1200,7 @@ public class BridgeMethodResolverTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static abstract class AbstractImplementsInterface<D extends DomainObjectSuper> implements IGenericInterface<D> {
 
 		@Override

spring-core/src/test/java/org/springframework/core/type/AnnotationTypeFilterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -122,10 +122,12 @@ public class AnnotationTypeFilterTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class SomeSubClassOfSomeComponentInterface implements SomeComponentInterface {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class SomeSubClassOfSomeComponent extends SomeComponent {
 	}
 
@@ -139,10 +141,12 @@ public class AnnotationTypeFilterTests {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class SomeSubclassOfSomeClassMarkedWithNonInheritedAnnotation extends SomeClassMarkedWithNonInheritedAnnotation {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class SomeNonCandidateClass {
 	}
 

spring-core/src/test/java/org/springframework/core/type/AssignableTypeFilterTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -81,6 +81,7 @@ public class AssignableTypeFilterTests extends TestCase {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class TestInterfaceImpl implements TestInterface {
 	}
 
@@ -89,6 +90,7 @@ public class AssignableTypeFilterTests extends TestCase {
 	}
 
 
+	@SuppressWarnings("unused")
 	private static class SomeDaoLikeImpl extends SimpleJdbcDaoSupport implements SomeDaoLikeInterface {
 	}
 

spring-core/src/test/java/org/springframework/util/ClassUtilsTests.java

@@ -308,19 +308,25 @@ public class ClassUtilsTests extends TestCase {
 		}
 	}
 
+	@SuppressWarnings("unused")
 	private static class OverloadedMethodsClass {
+
 		public void print(String messages) {
 			/* no-op */
 		}
+
 		public void print(String[] messages) {
 			/* no-op */
 		}
 	}
 
-	private static class SubOverloadedMethodsClass extends OverloadedMethodsClass{
+	@SuppressWarnings("unused")
+	private static class SubOverloadedMethodsClass extends OverloadedMethodsClass {
+
 		public void print(String header, String[] messages) {
 			/* no-op */
 		}
+
 		void print(String header, String[] messages, String footer) {
 			/* no-op */
 		}

spring-core/src/test/java/org/springframework/util/MethodInvokerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -191,6 +191,7 @@ public class MethodInvokerTests extends TestCase {
 	}
 
 
+	@SuppressWarnings("unused")
 	public static class Greeter {
 
 		// should handle Salesman (only interface)