Use final.

Author: garydgregory

src/test/java/org/apache/commons/csv/CSVParserTest.java

@@ -91,19 +91,19 @@ private void parseFully(final CSVParser parser) {
 
     @Test
     public void testParseWithDelimiterWithQuote() throws IOException {
-        String source = "'a,b,c',xyz";
-        CSVFormat csvFormat = CSVFormat.DEFAULT.withQuote('\'');
+        final String source = "'a,b,c',xyz";
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.withQuote('\'');
         try (CSVParser csvParser = csvFormat.parse(new StringReader(source))) {
-            CSVRecord csvRecord = csvParser.nextRecord();
+            final CSVRecord csvRecord = csvParser.nextRecord();
             assertEquals("a,b,c", csvRecord.get(0));
             assertEquals("xyz", csvRecord.get(1));
         }
     }
 
     @Test
     public void testParseWithDelimiterStringWithQuote() throws IOException {
-        String source = "'a[|]b[|]c'[|]xyz\r\nabc[abc][|]xyz";
-        CSVFormat csvFormat = CSVFormat.DEFAULT.builder().setDelimiter("[|]").setQuote('\'').build();
+        final String source = "'a[|]b[|]c'[|]xyz\r\nabc[abc][|]xyz";
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.builder().setDelimiter("[|]").setQuote('\'').build();
         try (CSVParser csvParser = csvFormat.parse(new StringReader(source))) {
             CSVRecord csvRecord = csvParser.nextRecord();
             assertEquals("a[|]b[|]c", csvRecord.get(0));
@@ -116,19 +116,19 @@ public void testParseWithDelimiterStringWithQuote() throws IOException {
 
     @Test
     public void testParseWithDelimiterWithEscape() throws IOException {
-        String source = "a!,b!,c,xyz";
-        CSVFormat csvFormat = CSVFormat.DEFAULT.withEscape('!');
+        final String source = "a!,b!,c,xyz";
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.withEscape('!');
         try (CSVParser csvParser = csvFormat.parse(new StringReader(source))) {
-            CSVRecord csvRecord = csvParser.nextRecord();
+            final CSVRecord csvRecord = csvParser.nextRecord();
             assertEquals("a,b,c", csvRecord.get(0));
             assertEquals("xyz", csvRecord.get(1));
         }
     }
 
     @Test
     public void testParseWithDelimiterStringWithEscape() throws IOException {
-        String source = "a![!|!]b![|]c[|]xyz\r\nabc[abc][|]xyz";
-        CSVFormat csvFormat = CSVFormat.DEFAULT.builder().setDelimiter("[|]").setEscape('!').build();
+        final String source = "a![!|!]b![|]c[|]xyz\r\nabc[abc][|]xyz";
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.builder().setDelimiter("[|]").setEscape('!').build();
         try (CSVParser csvParser = csvFormat.parse(new StringReader(source))) {
             CSVRecord csvRecord = csvParser.nextRecord();
             assertEquals("a[|]b![|]c", csvRecord.get(0));
@@ -141,32 +141,32 @@ public void testParseWithDelimiterStringWithEscape() throws IOException {
 
     @Test
     public void testParseWithQuoteWithEscape() throws IOException {
-        String source = "'a?,b?,c?d',xyz";
-        CSVFormat csvFormat = CSVFormat.DEFAULT.withQuote('\'').withEscape('?');
+        final String source = "'a?,b?,c?d',xyz";
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.withQuote('\'').withEscape('?');
         try (CSVParser csvParser = csvFormat.parse(new StringReader(source))) {
-            CSVRecord csvRecord = csvParser.nextRecord();
+            final CSVRecord csvRecord = csvParser.nextRecord();
             assertEquals("a,b,c?d", csvRecord.get(0));
             assertEquals("xyz", csvRecord.get(1));
         }
     }
 
     @Test
     public void testParseWithQuoteThrowsException() {
-        CSVFormat csvFormat = CSVFormat.DEFAULT.withQuote('\'');
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.withQuote('\'');
         assertThrows(IOException.class, () -> csvFormat.parse(new StringReader("'a,b,c','")).nextRecord());
         assertThrows(IOException.class, () -> csvFormat.parse(new StringReader("'a,b,c'abc,xyz")).nextRecord());
         assertThrows(IOException.class, () -> csvFormat.parse(new StringReader("'abc'a,b,c',xyz")).nextRecord());
     }
 
     @Test
     public void testNotValueCSV() throws IOException {
-        String source = "#";
-        CSVFormat csvFormat = CSVFormat.DEFAULT.withCommentMarker('#');
-        CSVParser csvParser = csvFormat.parse(new StringReader(source));
-        CSVRecord csvRecord = csvParser.nextRecord();
+        final String source = "#";
+        final CSVFormat csvFormat = CSVFormat.DEFAULT.withCommentMarker('#');
+        final CSVParser csvParser = csvFormat.parse(new StringReader(source));
+        final CSVRecord csvRecord = csvParser.nextRecord();
         assertNull(csvRecord);
     }
-    
+
     @Test
     public void testBackslashEscaping() throws IOException {
 

src/test/java/org/apache/commons/csv/ExtendedBufferedReaderTest.java

@@ -87,7 +87,7 @@ public void testReadChar() throws Exception {
 
     @Test
     public void testReadingInDifferentBuffer() throws Exception {
-        char[] tmp1 = new char[2], tmp2 = new char[4];
+        final char[] tmp1 = new char[2], tmp2 = new char[4];
         try (ExtendedBufferedReader reader = createBufferedReader("1\r\n2\r\n")) {
             reader.read(tmp1, 0, 2);
             reader.read(tmp2, 2, 2);

src/test/java/org/apache/commons/csv/issues/JiraCsv206Test.java

@@ -38,7 +38,7 @@ public void testJiraCsv206MultipleCharacterDelimiter() throws IOException {
         final CSVFormat csvFormat = CSVFormat.DEFAULT.builder().setDelimiter("[|]").build();
         CSVRecord record = null;
         try (final CSVParser csvParser = new CSVParser(reader, csvFormat)) {
-            Iterator<CSVRecord> iterator = csvParser.iterator();
+            final Iterator<CSVRecord> iterator = csvParser.iterator();
             record = iterator.next();
             assertEquals("FirstName", record.get(0));
             assertEquals("LastName", record.get(1));