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HTTP/2 301 server: AkamaiGHost content-length: 0 location: https://openjdk.org/projects/nio date: Sat, 19 Jul 2025 05:31:17 GMT 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: Sat, 19 Jul 2025 05:31:18 GMT set-cookie: _abck=4629050DDF09E6A8F9B5CD6E62C78332~-1~YAAQja1NaPdm9RmYAQAAcVAqIQ4inGuz9klONim2AHUW4RIt1Qulx/IyJJcVAu72LwpoM+kTgTmq3HCibW0EzhOJn0f4LWf7w40vzZHiBgpuyCGXH6IsYBdavSPA6Sf68/l8EaIscuGH2RJRuggk58QONwhcgdFbRWevtOHIMsDXeO8qNvQIEavnDoHy8fxqAmjHiLCPxoU6NzCsTl1T7meXaG1nKu/iWESVcRSkv8lRz5m6d6EwpxLbYB1LBtVKKEbEI+y2n/hpi8OUY0TBMAD5PDSYxdbMOGksB/DGSKRDVsL+lHzo0W+WZXMpAcysz1TrmPka25yK7GHa0Ifcz7MfrWj/0QzFZh8N35vAUxL0B2hR2LNW2qfuyf4zCyoWXnXz0URPo7IKe1V5E+lXpMrQNxssjRRkAtCgWEitXyq06PJifW0TdGp9MdoAruFORoq1vMY=~-1~-1~-1; Domain=.openjdk.org; Path=/; Expires=Sun, 19 Jul 2026 05:31:18 GMT; Max-Age=31536000; Secure set-cookie: bm_sz=63011A3C91F31196F23831AFB727F198~YAAQja1NaPhm9RmYAQAAcVAqIRy1kK9WUe+b4dlNt6gOhvoRU7KQ8oKb588mC4U1yDPU0gRaGCZcJoe/wCYaMquuvAhZzQqujTXgmj4N24Jtv6nlbWzkFeNDgCiLodcu7h/mOee1VLG+hyv1h8xZ0ECVyPHeBRPdlO6vKcuQ42cFjXf8kj+HZWuyI0IvqLqXqoHOOhQrBDF0CRFgfzNdRWlFPSqZN9SMwY3CIv4n71d3KR/b59RayHM+eUbq0xeiY5nUW1ZD5eDbGUEstch3bSlnt15Hz6AVo/5j1MYo1FaI1rz2kld3hyn5DhuyixVeaCIHYk9kbXPx33dVQ0GiLoXh7G1M/fIEDGYWk6vjKHS1GuimVSX9DsI=~3682609~3555638; Domain=.openjdk.org; Path=/; Expires=Sat, 19 Jul 2025 09:31:17 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: Sat, 19 Jul 2025 05:31:19 GMT content-length: 3014 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