Use Java 8 API

Author: garydgregory

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

@@ -414,9 +414,7 @@ public Builder setHeader(final Class<? extends Enum<?>> headerEnum) {
             if (headerEnum != null) {
                 final Enum<?>[] enumValues = headerEnum.getEnumConstants();
                 header = new String[enumValues.length];
-                for (int i = 0; i < enumValues.length; i++) {
-                    header[i] = enumValues[i].name();
-                }
+                Arrays.setAll(header, i -> enumValues[i].name());
             }
             return setHeader(header);
         }
@@ -1243,9 +1241,7 @@ static String[] toStringArray(final Object[] values) {
             return null;
         }
         final String[] strings = new String[values.length];
-        for (int i = 0; i < values.length; i++) {
-            strings[i] = Objects.toString(values[i], null);
-        }
+        Arrays.setAll(strings, i -> Objects.toString(values[i], null));
         return strings;
     }
 

src/test/java/org/apache/commons/csv/issues/JiraCsv288Test.java

@@ -29,6 +29,7 @@
 import org.junit.jupiter.api.Test;
 
 public class JiraCsv288Test {
+
     @Test
     // Before fix:
     // expected: <a,b,c,d,,f> but was: <a,b,c,d,|f>