[CSV-42] Lots of possible changes: Make classes final.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1510761 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/csv/CSVParser.java

@@ -90,7 +90,7 @@
  *
  * @version $Id$
  */
-public class CSVParser implements Iterable<CSVRecord>, Closeable {
+public final class CSVParser implements Iterable<CSVRecord>, Closeable {
 
     /**
      * Creates a parser for the given {@link File}.

src/main/java/org/apache/commons/csv/CSVPrinter.java

@@ -33,7 +33,7 @@
  *
  * @version $Id$
  */
-public class CSVPrinter implements Flushable, Closeable {
+public final class CSVPrinter implements Flushable, Closeable {
 
     /** The place that the values get written. */
     private final Appendable out;

src/main/java/org/apache/commons/csv/CSVRecord.java

@@ -27,7 +27,7 @@
  *
  * @version $Id$
  */
-public class CSVRecord implements Serializable, Iterable<String> {
+public final class CSVRecord implements Serializable, Iterable<String> {
 
     private static final String[] EMPTY_STRING_ARRAY = new String[0];