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Guava: Google Core Libraries for Java

Build StatusMaven Central

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 23.5, released 2017-11-22.

The Maven group ID is com.google.guava, and the artifact ID is guava. Use version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>

To add a dependency using Gradle:

dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.

Learn about Guava

Links

IMPORTANT WARNINGS

  1. 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 (e.g. using ProGuard).

  2. 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).

  3. 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.

  4. Our classes are not designed to protect against a malicious caller. You should not use them for communication between trusted and untrusted code.

  5. 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).

About

Google Core Libraries for Java

Resources

Readme
Apache-2.0 license

Contributing

Contributing
Activity

Stars

0 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
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1 watching
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
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Guava: Google Core Libraries for Java
Build StatusMaven Central
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 23.5, released 2017-11-22.
The Maven group ID is com.google.guava, and the artifact ID is guava. Use
version 23.5-jre for the JRE flavor, or 23.5-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>23.5-jre</version>
<!-- or, for Android: -->
<version>23.5-android</version>
</dependency>
To add a dependency using Gradle:
dependencies {
compile 'com.google.guava:guava:23.5-jre'
// or, for Android:
compile 'com.google.guava:guava:23.5-android'
}

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.
Learn about Guava
Links
IMPORTANT WARNINGS
  1. 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 (e.g. using ProGuard).
  2. 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).
  3. 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.
  4. Our classes are not designed to protect against a malicious caller.
You should not use them for communication between trusted and
untrusted code.
  5. 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).
About
Google Core Libraries for Java
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages