If you are migrating from older versions (v4 or v5.0), note these changes:
// No more MessageDigest boilerplate
String md5 = SecureUtil.md5("password");
String sha256 = SecureUtil.sha256("data");
String randomKey = SecureUtil.randomString(16);
Java 8 added Files.readAllLines, HttpClient (in 11), and java.time.
True – but:
Hutool gives you one import, one method call, zero checked exceptions (usually).
32. CsvUtil.getReader().read(FileUtil.getReader("data.csv"))
Read CSV into a list of rows. Automatic handling of quotes and escapes.
33. CsvUtil.getWriter("output.csv").write(headerRow, dataRows)
Write CSV data.
34. ExcelUtil.getReader("file.xlsx").readAll()
Read Excel files (both .xls and .xlsx) without Apache POI’s complexity.
35. ExcelWriter writer = ExcelUtil.getWriter("output.xlsx"); writer.write(data); writer.close()
Write Java collections to Excel.