3.9 Upd Best: Hutool

Fix null pointer exception in StrUtil.blankToDefault when input is null (issue #I23K7F).

: Additions to IoUtil and FileUtil aimed at reducing the verbosity of stream handling and file system operations, such as more robust directory walking and faster stream piping. Hutool 3.9 UPD

// Before 3.9 – manual JSONObject creation JSONObject json = new JSONObject(); json.put("name", user.getName()); Fix null pointer exception in StrUtil

She reported it to her senior, , a grizzled engineer who remembered the days of JDK 1.4. She reported it to her senior