Order modifiers to align with JLS

This commit also applies Checkstyle ModifierOrder to enforce it.

See gh-31368

spring-core-test/src/main/java/org/springframework/aot/agent/RuntimeHintsAgent.java

@@ -64,7 +64,7 @@ public final class RuntimeHintsAgent {
 		return loaded;
 	}
 
-	private final static class ParsedArguments {
+	private static final class ParsedArguments {
 
 		List<String> instrumentedPackages;
 

spring-core-test/src/main/java/org/springframework/aot/test/agent/RuntimeHintsRecorder.java

@@ -47,7 +47,7 @@ public final class RuntimeHintsRecorder {
 	 * @param action the block of code we want to record invocations from
 	 * @return the recorded invocations
 	 */
-	public synchronized static RuntimeHintsInvocations record(Runnable action) {
+	public static synchronized RuntimeHintsInvocations record(Runnable action) {
 		Assert.notNull(action, "Runnable action must not be null");
 		Assert.state(RuntimeHintsAgent.isLoaded(), "RuntimeHintsAgent must be loaded in the current JVM");
 		RuntimeHintsRecorder recorder = new RuntimeHintsRecorder();

spring-core-test/src/test/java/org/springframework/core/test/tools/ClassFileTests.java

@@ -30,7 +30,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
  */
 class ClassFileTests {
 
-	private final static byte[] TEST_CONTENT = new byte[]{'a'};
+	private static final byte[] TEST_CONTENT = new byte[]{'a'};
 
 	@Test
 	void ofNameAndByteArrayCreatesClass() {