Oracle has updated the Java SE Support Roadmap. A more detailed white paper will follow shortly, but here are the key changes made: The public availability of Java SE 8 updates from Oracle has been extended to at least January 2019. Moreover, Oracle will continue to provide consumers with updates for personal (non-corporate) use of Java SE 8 through at least the end of 2020. Oracle will continue
A tool to detect bugs in Java and C/C++/Objective-C code before it shipsInfer is a static analysis tool - if you give Infer some Java or C/C++/Objective-C code it produces a list of potential bugs. Anyone can use Infer to intercept critical bugs before they have shipped to users, and help prevent crashes or poor performance.
Oracle Blogsの主としてテクノロジー製品のエントリを日本語でご紹介します(オリジナルのエントリを投稿することもあります)。厳密性をご所望の方は原文をどうぞ。よい内容でしたら原文に対し、"Good Entry, thanks!"でもいいので、是非コメントお願いします(Typoや誤訳はコメント欄からどうぞ)。なお、このエントリは個人の見解であり、所属する会社の公式見解ではありません。また、エントリ内でご紹介している製品・サービスは国内導入時期が未定の場合もありますのでご了承下さい。 Good entries on Oracle Blogs are put into Japanese. Mainly this blog covers technology products. Opinions expressed in this blog is my personal one and d
Musings on the Eclipse Foundation, the community and the ecosystem Oracle announced today that they, along with IBM and Red Hat, will be moving Java EE to the Eclipse Foundation. I would like to welcome everyone involved to our community. We look forward to working with all of the participants in the Java EE ecosystem as it moves to a more open and collaborative development model. Java EE has been
Java Platform, Standard Edition Oracle JDK 9 Migration Guide Release 9 E82965-05 October 2017 The purpose of this guide is to help you identify potential issues and give you suggestions on how to proceed as you migrate your existing Java application to JDK 9. Every new Java SE release introduces some binary, source, and behavioral incompatibilities with previous releases. The modularization of the
The Problem¶ Software engineers often encounter problems which require the dissemination of small or moderately sized data sets which don’t fit the label “big data”. To solve these problems, we often send the data to an RDBMS or nosql data store and query it at runtime, or serialize the data as json or xml, distribute it, and keep a local copy on each consumer. Scaling each of these solutions pres
Oracle Blogsの主としてテクノロジー製品のエントリを日本語でご紹介します(オリジナルのエントリを投稿することもあります)。厳密性をご所望の方は原文をどうぞ。よい内容でしたら原文に対し、"Good Entry, thanks!"でもいいので、是非コメントお願いします(Typoや誤訳はコメント欄からどうぞ)。なお、このエントリは個人の見解であり、所属する会社の公式見解ではありません。また、エントリ内でご紹介している製品・サービスは国内導入時期が未定の場合もありますのでご了承下さい。 Good entries on Oracle Blogs are put into Japanese. Mainly this blog covers technology products. Opinions expressed in this blog is my personal one and d
Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/1zlqvAN. Sponsored by Goldman Sachs. Java 8 has Streams, Scala has parallel collections, and GS Collections has ParallelIterables. Since we use parallelism to achieve better performance, it's interesting to ask: how well do they perform? We'll look at how these three APIs work with a critical eye toward performanc
OpenJDK や Hotspot VM には sun.misc.Unsafe という内部APIがあり*1、これを使うと ByteBuffer.getInt や ByteBuffer.getLong よりも高速にバイト列から整数値をデコードできるという。これを駆使することで、Cで実装された拡張ライブラリに匹敵する速度を出せるらしい。 それが本当なら、データ圧縮やハッシュ関数、シリアライザ/デシリアライザなどの実装を高速化できる。例えば、lz4 や xxhash のJava実装が Unsafe API を使用している*2:jpountz/lz4-java Prestoも、中間データのシリアライズ/デシリアライズにはすべて Unsafe API を使っている*3。 そこで、実際にベンチマークしてみた。 ベンチマーク内容 10MBのランダムなバイト列を生成する 先頭から1バイト読み出す その1バ
jsoup: Java HTML Parser jsoup is a Java library that simplifies working with real-world HTML and XML. It offers an easy-to-use API for URL fetching, data parsing, extraction, and manipulation using DOM API methods, CSS, and xpath selectors. jsoup implements the WHATWG HTML5 specification, and parses HTML to the same DOM as modern browsers. scrape and parse HTML from a URL, file, or string find and
Decorative Oracle CloudWorld video montage showing presentations, networking, performances and fun in Las Vegas, without audio Final days to save $400 on your CloudWorld registration September 9–12, 2024, in Las Vegas This is your final chance to save on all the learning, networking, and inspiration happening at CloudWorld. Rates go up on Tuesday, August 6. Get a front row seat to innovations and
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