Guava 20.0 正式发布，Google 的 Java 常用类库。

详细改进内容关注：

• https://github.com/google/guava/compare/v20.0...master

• https://github.com/google/guava/releases

下载地址：

• guava-20.0-javadoc.jar

• guava-20.0-sources.jar

• guava-20.0.jar

• guava-gwt-20.0.jar

• guava-testlib-20.0-javadoc.jar

• guava-testlib-20.0-sources.jar

• guava-testlib-20.0.jar

• Source code (zip)

• Source code (tar.gz)