refine deleteWhitespace (#569)

2020-12-06 01:30:42 +08:00 · 2020-12-06 01:30:42 +08:00 · 5a17dc7ad3
parent eaebffb59a
commit 5a17dc7ad3
1 changed files with 3 additions and 0 deletions
--- a/src/main/java/org/apache/commons/lang3/StringUtils.java
+++ b/src/main/java/org/apache/commons/lang3/StringUtils.java
@ -1614,6 +1614,9 @@ public static String deleteWhitespace(final String str) {
        if (count == sz) {
            return str;
        }
+        if (count == 0) {
+            return EMPTY;
+        }
        return new String(chs, 0, count);
    }