Apache Commons Lang, a package of Java utility classes for the
classes that are in java.lang's hierarchy, or are considered to be so
standard as to justify existence in java.lang.
The code is tested using the latest revision of the JDK for supported
LTS releases: 8, 11, 17, 21 and 25 currently.
See https://github.com/apache/commons-lang/blob/master/.github/workflows/maven.yml
Please ensure your build environment is up-to-date and kindly report any build issues.
| License | Apache 2.0 |
|---|---|
| Categories | Core Utilities |
| Tags | conversionreflectiontextconcurrencyapachecommonsvalidation |
| HomePage | https://commons.apache.org/proper/commons-lang/ 🔍 Inspect URL |
| Date | Sep 24, 2025 |
| Files | pom (31 KB) jar (692 KB) View All |
| Repositories | Central |
| Ranking | #10 in MvnRepository (See Top Artifacts) #2 in Core Utilities |
| Used By | 34,030 artifacts |
Compile Dependencies (0)
| Category/License | Group / Artifact | Version | Updates |
|---|
Test Dependencies (7)
| Category/License | Group / Artifact | Version | Updates | |
|---|---|---|---|---|
| Defect Detection LGPL 2.1 |  | com.google.code.findbugs » jsr305 | 3.0.2 | 4.9.8 |
| String Utils Apache 2.0 | | org.apache.commons » commons-text | 1.14.0 | ✔ |
| Mocking Apache 2.0 |  | org.easymock » easymock | 5.6.0 | ✔ |
| Testing EPL 2.0 |  | org.junit-pioneer » junit-pioneer | 1.9.1 | 2.3.0 |
| Testing EPL 2.0 |  | org.junit.jupiter » junit-jupiter | 5.13.4 | 6.0.1 |
| Microbenchmarks GPL 2.0 |  | org.openjdk.jmh » jmh-core | 1.37 | ✔ |
| Annotation Tool GPL 2.0 | | org.openjdk.jmh » jmh-generator-annprocess | 1.37 | ✔ |
Licenses
| License | URL |
|---|---|
| Apache-2.0 | https://www.apache.org/licenses/LICENSE-2.0.txt |
Developers
| Name | Dev Id | Roles | Organization | |
|---|---|---|---|---|
| Daniel Rall | dlr<at>finemaltcoding.com | dlr | Java Developer | CollabNet, Inc. |
| Stephen Colebourne | scolebourne<at>joda.org | scolebourne | Java Developer | SITA ATS Ltd |
| Henri Yandell | bayard<at>apache.org | bayard | Java Developer | |
| Steven Caswell | stevencaswell<at>apache.org | scaswell | Java Developer | |
| Robert Burrell Donkin | rdonkin<at>apache.org | rdonkin | Java Developer | |
| Gary Gregory | ggregory at apache.org | ggregory | PMC Member | The Apache Software Foundation |
| Fredrik Westermarck | fredrik | Java Developer | ||
| James Carman | jcarman<at>apache.org | jcarman | Java Developer | Carman Consulting, Inc. |
| Niall Pemberton | niallp | Java Developer | ||
| Matt Benson | mbenson | Java Developer | ||
| Joerg Schaible | joerg.schaible<at>gmx.de | joehni | Java Developer | |
| Oliver Heger | oheger<at>apache.org | oheger | Java Developer | |
| Paul Benedict | pbenedict<at>apache.org | pbenedict | Java Developer | |
| Benedikt Ritter | britter<at>apache.org | britter | Java Developer | |
| Duncan Jones | djones<at>apache.org | djones | Java Developer | |
| Loic Guibert | lguibert<at>apache.org | lguibert | Java Developer | |
| Rob Tompkins | chtompki<at>apache.org | chtompki | Java Developer |
