guava初認識

英語單詞：【snapshot：快照】

功能簡介：集合、緩存、primitive spport、併發、經常使用註解、字符串加工、I/O 等等。 

maven的xml:

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>19.0</version>
</dependency>

learn about guava：

- Our users' guide, [Guava Explained][]
- [Presentation slides focusing on base, primitives, and io](http://guava-libraries.googlecode.com/files/Guava_for_Netflix_.pdf)
- [Presentation slides focusing on cache]( http://guava-libraries.googlecode.com/files/JavaCachingwithGuava.pdf)
- [Presentation slides focusing on util.concurrent](http://guava-libraries.googlecode.com/files/guava-concurrent-slides.pdf)
- [A nice collection](http://www.tfnico.com/presentations/google-guava) of other helpful links

links:

- [GitHub project](https://github.com/google/guava)
- [Issue tracker: report a defect or feature request](https://github.com/google/guava/issues/new)
- [StackOverflow: Ask "how-to" and "why-didn't-it-work" questions](https://stackoverflow.com/questions/ask?tags=guava+java)
- [guava-discuss: For open-ended questions and discussion](http://groups.google.com/group/guava-discuss)