commons-lang

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.

http://commons.apache.org/lang/

Daniel Rall Stephen Colebourne Henri Yandell Steven Caswell Robert Burrell Donkin Gary D. Gregory Phil Steitz Fredrik Westermarck James Carman Niall Pemberton Matt Benson Joerg Schaible Oliver Heger Paul Benedict