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 3 days ago
Quick Reference
Apache License 2.0
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Commercial Use
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Use Trademarks
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Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
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30 Day SummaryJun 14 2026 — Jul 14 2026
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12 Month SummaryJul 14 2025 — Jul 14 2026
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