LuciferYang commented on code in PR #49826:
URL: https://github.com/apache/spark/pull/49826#discussion_r1944500609
##########
launcher/src/main/java/org/apache/spark/launcher/CommandBuilderUtils.java:
##########
@@ -46,24 +47,15 @@ static boolean isEmpty(String s) {
/** Joins a list of strings using the given separator. */
static String join(String sep, String... elements) {
- StringBuilder sb = new StringBuilder();
- for (String e : elements) {
- if (e != null) {
- if (sb.length() > 0) {
- sb.append(sep);
- }
- sb.append(e);
- }
- }
- return sb.toString();
+ return join(sep, Arrays.stream(elements).toList());
Review Comment:
fine for me, but, please update the PR title to better reflect what this PR
has done.
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