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google guava
Google core libraries for Java
Stars
51,893
Forks
11,191
Watchers: 51,893
Language
License: Apache License 2.0
Repository Radar Score
65 / 100
Growth
- 7d
- +0
- 30d
- +0
- %
- 0.0%
Not enough metric snapshots yet to chart growth for this repository.
Score breakdown
- popularity 88
- growth 0
- activity 100
- freshness 100
- community 82
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Guava is a set of core Java libraries from Google that includes new collection types (such as multimap and multiset), immutable collections, a graph library, and utilities for concurrency, I/O, hashing, primitives, strings, and more! It is widely used on most Java projects within Google, and widely used by many other companies as well.
Guava comes in two flavors:
- The JRE flavor requires JDK 1.8 or higher.
- If you need support for Android, use
the Android flavor. You can
find the Android Guava source in the
androiddirectory.
Guava's Maven group ID is com.google.guava, and its artifact ID is guava.
Guava provides two different "flavors": one for use on a (Java 8+) JRE and one
for use on Android or by any library that wants to be compatible with Android.
These flavors are specified in the Maven version field as either 33.7.1-jre or
33.7.1-android. For more about depending on Guava, see
using Guava in your build.
To add a dependency on Guava using Maven, use the following:
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>33.7.1-jre</version>
<!-- or, for Android: -->
<version>33.7.1-android</version>
</dependency>To add a dependency using Gradle:
dependencies {
// Pick one:
// 1. Use Guava in your implementation only:
implementation("com.google.guava:guava:33.7.1-jre")
// 2. Use Guava types in your public API:
api("com.google.guava:guava:33.7.1-jre")
// 3. Android - Use Guava in your implementation only:
implementation("com.google.guava:guava:33.7.1-android")
// 4. Android - Use Guava types in your public API:
api("com.google.guava:guava:33.7.1-android")
}For more information on when to use api and when to use implementation,
consult the
Gradle documentation on API and implementation separation.
Snapshots of Guava built from the master branch are available through Maven
using version 999.0.0-HEAD-jre-SNAPSHOT, or 999.0.0-HEAD-android-SNAPSHOT
for the Android flavor.
Snapshot API Javadoc as well as Snapshot API Diffs are also available.
Another easy way to get to the Javadoc is to open guava.dev/api. You can also jump right to a specific class by appending the class name to guava.dev. For example, guava.dev/ImmutableList!
- Our users' guide, Guava Explained
- A nice collection of other helpful links
- GitHub project
- Issue tracker: Report a defect or feature request
- StackOverflow: Ask "how-to" and "why-didn't-it-work" questions
- guava-announce: Announcements of releases and upcoming significant changes
- guava-discuss: For open-ended questions and discussion
-
APIs marked with the
@Betaannotation 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@BetaAPIs! -
APIs without
@Betawill remain binary-compatible for the indefinite future. (Previously, we sometimes removed such APIs after a deprecation period. The last release to remove non-@BetaAPIs was Guava 21.0.) Even@DeprecatedAPIs 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). -
Guava has one dependency that is needed for linkage at runtime:
com.google.guava:failureaccess:1.0.3. It also has some annotation-only dependencies, which we discuss in more detail at that link. -
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 test the libraries using a range of OpenJDK versions on Linux and Windows. Some features, especially in
com.google.common.io, may not work correctly in non-Linux environments. For the Android flavor, our unit tests also run on API level 24 (Nougat).
Repository Radar analysis
Deterministic insights derived from public metadata and our observations — not personal testing or reviews.
Why this repository is interesting
- High absolute popularity (51,893 stars) signals broad adoption.
- Maintained recently (last push 2 weeks ago).
Who should use it
- Developers working primarily with Java
Potential use cases
- Reference or evaluate Java open-source approaches in this domain
Strengths
- Recent repository activity
- README present in our index
- Declared license: Apache License 2.0
- Substantial fork count (11,191) suggests reuse and contribution interest
Limitations / considerations
- Insights are derived from public metadata and our observations — not a substitute for code review
What to watch
- Re-check last push, issues, and releases on GitHub before production adoption
Strong signals: Strong community interest · Active maintenance
Source: GitHub (public metadata) + Repository Radar analysis. We do not claim ownership of third-party repositories.