HubertWo commented on a change in pull request #784:
URL: https://github.com/apache/commons-lang/pull/784#discussion_r683719682
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File path: src/main/java/org/apache/commons/lang3/StringUtils.java
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@@ -4307,13 +4481,48 @@ public static String join(final int[] array, final char
separator) {
* @since 3.2
*/
public static String join(final int[] array, final char delimiter, final
int startIndex, final int endIndex) {
+ return join(array, String.valueOf(delimiter), startIndex, endIndex);
+ }
+
+ /**
+ * <p>
+ * Joins the elements of the provided array into a single String
containing the provided list of elements.
+ * </p>
+ *
+ * <p>
+ * No delimiter is added before or after the list. Null objects or empty
strings within the array are represented
+ * by empty strings.
+ * </p>
+ *
+ * <pre>
+ * StringUtils.join(null, *) = null
+ * StringUtils.join([], *) = ""
+ * StringUtils.join([null], *) = ""
+ * StringUtils.join([1, 2, 3], ';') = "1;2;3"
+ * StringUtils.join([1, 2, 3], null) = "123"
+ * </pre>
+ *
+ * @param array
+ * the array of values to join together, may be null
+ * @param delimiter
+ * the separator String to use
+ * @param startIndex
+ * the first index to start joining from. It is an error to
pass in a start index past the end of the
+ * array
+ * @param endIndex
+ * the index to stop joining from (exclusive). It is an error
to pass in an end index past the end of
+ * the array
+ * @return the joined String, {@code null} if null array input
+ * @since 3.13.0
+ */
+ public static String join(final int[] array, final String delimiter, final
int startIndex, final int endIndex) {
if (array == null) {
return null;
}
if (endIndex - startIndex <= 0) {
return EMPTY;
}
- final StringJoiner joiner = newStringJoiner(delimiter);
+ final StringJoiner joiner = new
StringJoiner(toStringOrEmpty(delimiter));
Review comment:
Valid point. I brought it back.
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