Polishing

- primarily automated "clean up" using Eclipse IDE

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

@@ -117,8 +117,7 @@ public abstract class AbstractFileResolvingResource extends AbstractResource {
 						return false;
 					}
 				}
-				else if (con instanceof JarURLConnection) {
-					JarURLConnection jarCon = (JarURLConnection) con;
+				else if (con instanceof JarURLConnection jarCon) {
 					JarEntry jarEntry = jarCon.getJarEntry();
 					if (jarEntry == null) {
 						return false;

spring-core/src/main/java/org/springframework/core/io/buffer/DataBuffer.java

@@ -417,7 +417,7 @@ public interface DataBuffer {
 	 */
 	default InputStream asInputStream(boolean releaseOnClose) {
 		return new DataBufferInputStream(this, releaseOnClose);
-	};
+	}
 
 	/**
 	 * Expose this buffer's data as an {@link OutputStream}. Both data and write position are