On Mon, 7 Oct 2024 04:43:49 GMT, Chen Liang <li...@openjdk.org> wrote:
>> src/java.base/share/classes/java/io/Reader.java line 203: >> >>> 201: int n = Math.min(length - next, len); >>> 202: switch (cs) { >>> 203: case String s -> s.getChars(next, next + n, cbuf, >>> off); >> >> There was some discussion on the mailing list of introducing a method to >> CharSequence for bulk getChars. Doing that would help both here and in >> Appendable/Writer implementations like StringWriter, PrintWriter, and >> OutputStreamWriter which currently convert to a String to then write. >> >> https://github.com/openjdk/jdk/blob/master/src/java.base/share/classes/java/io/Writer.java#L367 >> >> https://github.com/openjdk/jdk/blob/master/src/java.base/share/classes/java/io/OutputStreamWriter.java#L253 > > I believe this batch operation would be a useful addition, but it is best > reserved for another RFE. Agree to Chen. As I already wrote in [the RFE](https://bugs.openjdk.org/browse/JDK-8341566): >As this option is not essentially needed, and as it implies deeper thought and >discussion, this option is explicitly EXCLUDED from this current enhancement >request. We can pick it up later in a subsequent enhancement request. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/21371#discussion_r1791500863