Apache Commons

Core classes manipulation methods are not provided by the Standard Java libraries. Extra methods provided by Apache Commons Lang are:

For Java, these utilities are provided by the Apache Commons Lang.

• Lang API
• Numerical methods
• String manipulation methods
• Object reflection
• Creation and serialization
• Concurrency
• System properties
• Utilities for hashCode
• Utilities for equals
• Basic enhancements to java.util.Date
• Utilities for toString