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HTTP/2 301 content-type: text/html location: /projects/nio/ content-security-policy-report-only: default-src 'self' *.openjdk.java.net feedburner.google.com; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval' feeds.feedburner.com *.statcounter.com statcounter.com; img-src 'self' data: *.statcounter.com *.openjdk.java.net feedburner.google.com; frame-ancestors 'none'; report-uri https://openjdk.report-uri.io/r/default/csp/reportOnly x-frame-options: SAMEORIGIN x-xss-protection: 1; mode=block x-content-type-options: nosniff x-akamai-transformed: 0 - 0 - date: Sun, 03 Aug 2025 17:28:17 GMT set-cookie: _abck=DB7B80C111C55D2976BE3FD057AF34B3~-1~YAAQNAHARcCTNz2YAQAAHCP6cA6vhL+xGDPBs10HKCz9Dfa/CAxWz1DCumCI/L6N+MBBoLZs3+rEi22obUtap859GBSjEw2h4/3Edzegv5b5kUlOFIhDVsMgCBg//FhTfMFTCav7+whPZTOZKGoAepQF/wc0f8p1nQhUgJ+Jw3+6E4ziD/PHK5BPhXMeegJXTU+3oC9g/EjXBOVYs8uyekEvgZycFbVCp0peK89V/AP3M9MiogG//X8QXOoRRpK9dwlS0h1r5AtdE/EgxccQVBKyzXO8rDsSGZnECnPva7sCMW4kAzR/TKZ4IR3w0Q0vpD2zWvdy9UUBr3GaqjF2XS/aHk4sCRvMesI67Oo2nndm1Kx+ohbcKazZ2ECoyaLEP77BMfsTJ0aZCfZxQRVobiWyDzX4luh4CfBWifZGbZXBXgtJttlgkg5J7fk1mPkXatAeVhM=~-1~-1~-1; Domain=.openjdk.org; Path=/; Expires=Mon, 03 Aug 2026 17:28:17 GMT; Max-Age=31536000; Secure set-cookie: bm_sz=40C761455656F4EB93770BE38EA9B9C6~YAAQNAHARcGTNz2YAQAAHCP6cBysMWG2t5N60z7Kn6Sf5AIEdFviJT04Qs7hVzCWNvM/MJGHM/VHi5FvHZ61+0e3hX4mJWpW+X8MtueKy77RbRI67LO9OJSSgTwQHvZG5kos3KXb5fxs4OyTnLWkIMJypC2pZcdW4a78524y2/0ectKKbssHwjHE2BfC1fvzKNGYg5RP1b+YBc4fg6aI9kzqZ2B3tagpfqkONywVUEm/kYu5UKCGksqDFMZjx0cWffJIpfWeYXNLKqONpRCppGMtmcTXSvGxN4V2xWgTKW/fiMzvZQ+N6xzc7LYuGzIO/UYy1m09HmDjM4KQWyoX/Ef0Ds4GZ1D+7AVpebrXFTQV+jaKDKRb8Co=~3617337~3224644; Domain=.openjdk.org; Path=/; Expires=Sun, 03 Aug 2025 21:28:16 GMT; Max-Age=14399 HTTP/2 200 content-type: text/html last-modified: Thu, 05 Jun 2025 17:17:44 GMT vary: Accept-Encoding etag: "6841d138-28e4" content-security-policy-report-only: default-src 'self' *.openjdk.java.net feedburner.google.com; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval' feeds.feedburner.com *.statcounter.com statcounter.com; img-src 'self' data: *.statcounter.com *.openjdk.java.net feedburner.google.com; frame-ancestors 'none'; report-uri https://openjdk.report-uri.io/r/default/csp/reportOnly x-frame-options: SAMEORIGIN x-xss-protection: 1; mode=block x-content-type-options: nosniff accept-ranges: bytes x-akamai-transformed: 0 - 0 - content-encoding: gzip date: Sun, 03 Aug 2025 17:28:19 GMT content-length: 3010 OpenJDK: NIO

More New I/O APIs for the Java Platform

This Project's mission is to produce the implementation of the (New) New I/O APIs being defined by JSR 203 as well as related work in the JDK.

The main "umbrella" RFEs for this work are:

4313887 New I/O: Improved filesystem interface
4640544 New I/O: Complete socket-channel functionality
4607272 New I/O: Support asynchronous I/O

This Project is sponsored by the OpenJDK Core Libraries Group.

Status

The bulk of the API and implementation was integrated into jdk7 b50 for M2, with a refresh of the file system API in M4, and a refresh of the asynchronous I/O API in M5. Work on outstanding API and implementation issues will continue here.

Links

Presentations
- New I/O in JDK 7 (JavaOne 2008)
- Hacking the File System with JDK Release 7 (JavaOne 2009)
- Asynchronous I/O Tricks and Tips (JavaOne 2009)
Other Resources
- Asynchronous I/O notes
- File I/O Tutorial
Mailing lists
- nio-dev : For development and implementation issues. Bug reports, bug fixes and other contributions are very welcome.
- nio-discuss : For discussion, feedback, and questions. This mailing list supersedes the jsr203-interest mailing list.
  Please don't use these mailing lists when seeking support or help for NIO issues that are not related to the new APIs.
Acknowledgements

Original Source | Taken Source