Guava: Google Core Libraries for Java

Guava is a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, functional types, an in-memory cache, and APIs/utilities for concurrency, I/O, hashing, primitives, reflection, string processing, and much more!

Guava comes in two flavors.

The JRE flavor requires JDK 1.8 or higher.
If you need support for JDK 1.7 or Android, use the Android flavor. You can find the Android Guava source in the android directory.

Latest release

The most recent release is Guava 23.6, released 2017-12-20.

The Maven group ID is com.google.guava, and the artifact ID is guava. Use version 23.6-jre for the JRE flavor, or 23.6-android for the Android flavor.

To add a dependency on Guava using Maven, use the following:

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>23.6-jre</version>
  <!-- or, for Android: -->
  <version>23.6-android</version>
</dependency>

To add a dependency using Gradle:

dependencies {
  compile 'com.google.guava:guava:23.6-jre'
  // or, for Android:
  compile 'com.google.guava:guava:23.6-android'
}

For more about depending on Guava, see Using Guava in your build.

Snapshots

Snapshots of Guava built from the master branch are available through Maven using version HEAD-jre-SNAPSHOT, or HEAD-android-SNAPSHOT for the Android flavor.

Snapshot API Docs: guava
Snapshot API Diffs: guava

Learn about Guava

Our users' guide, Guava Explained
A nice collection of other helpful links

Links

IMPORTANT WARNINGS

APIs marked with the @Beta annotation at the class or method level are subject to change. They can be modified in any way, or even removed, at any time. If your code is a library itself (i.e. it is used on the CLASSPATH of users outside your own control), you should not use beta APIs, unless you repackage them. If your code is a library, we strongly recommend using the Guava Beta Checker to ensure that you do not use any @Beta APIs!
APIs without @Beta will remain binary-compatible for the indefinite future. (Previously, we sometimes removed such APIs after a deprecation period. The last release to remove non-@Beta APIs was Guava 21.0.) Even @Deprecated APIs will remain (again, unless they are @Beta). We have no plans to start removing things again, but officially, we're leaving our options open in case of surprises (like, say, a serious security problem).
Serialized forms of ALL objects are subject to change unless noted otherwise. Do not persist these and assume they can be read by a future version of the library.
Our classes are not designed to protect against a malicious caller. You should not use them for communication between trusted and untrusted code.
For the mainline flavor, we unit-test the libraries using only OpenJDK 1.8 on Linux. Some features, especially in com.google.common.io, may not work correctly in other environments. For the Android flavor, our unit tests run on API level 15 (Ice Cream Sandwich).

License

thebpc/bp_test

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