BAEL-2499 Write to CSV in Java - updated (#6135)

* example code for Article How to Write to a CSV File in Java

* Updated to use a Stream

* Updated to use Streams in convertToCSV for BAEL-2499

core-java-io/src/test/java/com/baeldung/csv/WriteCsvFileExampleUnitTest.java

@@ -65,7 +65,7 @@ public class WriteCsvFileExampleUnitTest {
     }
 
     @Test
-    public void givenBufferedWriter_whenWriteLine_thenOutputCreated() {
+    public void givenDataArray_whenConvertToCSV_thenOutputCreated() {
         List<String[]> dataLines = new ArrayList<String[]>();
         dataLines.add(new String[] { "John", "Doe", "38", "Comment Data\nAnother line of comment data" });
         dataLines.add(new String[] { "Jane", "Doe, Jr.", "19", "She said \"I'm being quoted\"" });