Fix various compiler warnings in spring-context

All warning types other than [deprecation] and [unchecked] are now
fixed in spring-context/src/test

spring-context/src/test/java/example/scannable/ServiceInvocationCounter.java

@@ -40,8 +40,7 @@ public class ServiceInvocationCounter {
 	@Before("serviceExecution()")
 	public void countUse() {
 		this.useCount++;
-		this.threadLocalCount.set(this.useCount);
-		System.out.println("");
+		threadLocalCount.set(this.useCount);
 	}
 
 	public int getCount() {

spring-context/src/test/java/org/springframework/beans/factory/config/SimpleMapScope.java

@@ -70,8 +70,8 @@ public class SimpleMapScope implements Scope, Serializable {
 	}
 
 	public void close() {
-		for (Iterator it = this.callbacks.iterator(); it.hasNext();) {
-			Runnable runnable = (Runnable) it.next();
+		for (Iterator<Runnable> it = this.callbacks.iterator(); it.hasNext();) {
+			Runnable runnable = it.next();
 			runnable.run();
 		}
 	}

spring-context/src/test/java/org/springframework/context/annotation/ConfigurationClassAndBFPPTests.java

@@ -99,14 +99,11 @@ public class ConfigurationClassAndBFPPTests {
 
 
 	@Test
-	@SuppressWarnings("static-access")
 	public void staticBeanMethodsDoNotRespectScoping() {
 		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
 		ctx.register(ConfigWithStaticBeanMethod.class);
 		ctx.refresh();
-
-		ConfigWithStaticBeanMethod config = ctx.getBean(ConfigWithStaticBeanMethod.class);
-		assertThat(config.testBean(), not(sameInstance(config.testBean())));
+		assertThat(ConfigWithStaticBeanMethod.testBean(), not(sameInstance(ConfigWithStaticBeanMethod.testBean())));
 	}
 
 

spring-context/src/test/java/org/springframework/validation/DataBinderTests.java

@@ -1444,7 +1444,6 @@ public class DataBinderTests extends TestCase {
 		assertEquals("badName", nameError.getCode());
 	}
 
-	@SuppressWarnings("unchecked")
 	public void testBindingWithResortedList() {
 		IndexedTestBean tb = new IndexedTestBean();
 		DataBinder binder = new DataBinder(tb, "tb");
@@ -1590,6 +1589,7 @@ public class DataBinderTests extends TestCase {
 		mpv.add("f[list][1]", "secondValue");
 		binder.bind(mpv);
 		assertFalse(binder.getBindingResult().hasErrors());
+		@SuppressWarnings("unchecked")
 		List<Object> list = (List<Object>) form.getF().get("list");
 		assertEquals("firstValue", list.get(0));
 		assertEquals("secondValue", list.get(1));