Project Summary
Provides extra functionality for classes in java.lang.
Lang provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, concurrency, creation and serialization and System properties. Additionally it contains basic enhancements to java.util.Date and a series of utilities dedicated to help with building methods, such as hashCode, toString and equals.
In a Nutshell, Apache Commons Lang...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 29 years of effort (COCOMO model)
starting with its first commit in July, 2002
ending with its most recent commit 2 days ago
Quick Reference
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
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30 Day SummaryJun 18 2026 — Jul 18 2026
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12 Month SummaryJul 18 2025 — Jul 18 2026
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