Various weapons of Apche commons

Various weapons of Apche commons

Apache commons is a very useful toolkit to solve a variety of practical general problems, you will find that they are exactly what you need to think about. They are not peerless martial arts, it is indeed a hand-picked. When commons came out, the problem came to the fore. The following is a brief table for detailed access: http://jakarta.apache.org/commons/index.html

Components	Description
Beanutils	Commons-beanutils provides packaging for Java reflection and introspection APIs
Betwixt	Betwixt provides JavaBean ing to XML documents and reverse ing services.
Chain	Chain provides a "responsibility chain mode" to implement complex processing processes ".
CLI	CLI provides simple APIs for command line parameters, options, quota groups, and mandatory options.
Codec	Codec includes some common encoding and decoding algorithms. Includes Audio Encoder, Hex, base64, and URL encoder.
Collections	Commons-collections provides a class package to expand and add a standard Java Collection framework.
Configuration	The commons-Configuration tool provides read help for various configurations and reference files.
Daemon	A replacement mechanism for Unix-Daemon-like Java code
DBCP	Commons-DBCP provides database connection pool service
Dbutils	Dbutils is a JDBC helper class library that completes simple resource clearing code for database tasks.
Digester	Commons-digester is a ing tool for XML-Java objects. It is used to parse XML configuration files.
Discovery	Commons-discovery provides tools to locate resources (including classes) and map service/reference names and resource names in various modes ..
El	Commons-El provides an interpreter for El expressions defined in the jsp2.0 specification.
Fileupload	Fileupload allows you to easily add powerful and High-Performance File Upload capabilities in applications and servlets.
Httpclient	Commons-httpclient provides a framework that can work on the HTTP client.
Io	Io is an I/O tool set
Jelly	Jelly is an XML-based Script and processing engine. Jelly draws on many advantages of the script engine in JSP tag, velocity, cocoon, and XDoclet. Jelly can be used in command lines, ant, or servlet.
Jexl	Jexl is an expression language that extends the expression language defined by jstl by drawing on experience from velocity ..
Jxpath	Commons-jxpath provides tools for manipulating ans that comply with Java Naming Conventions using the XPath syntax. Maps, Dom, and other object models are also supported ..
Lang	Commons-lang provides many common tool class sets and provides class extension functions in Java. Lang.
Latka	Commons-Latka is an HTTP function test package for automated QA, acceptance, and Attenuation Testing.
Launcher	The launcher component is a cross-platform Java application loader. Commons-launcher eliminates the need for batch processing or shell scripts to load Java classes .. The original Java class comes from the Jakarta Tomcat 4.0 Project.
Logging	Commons-logging is a package class implemented by various logging APIs.
Math	Math is a lightweight, self-contained mathematical and statistical component that solves many common but not timely practical problems in java standard languages.
Modeler	Commons-modeler provides a mechanism for modeling mbeans compatible with the JMX specifications.
Net	Net is a network tool set based on netcomponents code, including FTP clients.
Pool	Commons-Pool provides a common object pool interface, a toolkit for creating a modular Object pool, and Common Object pool implementation.
Primitives	Commons-primitives provides a smaller, faster, and easier-to-use support for basic java types. Currently, it is mainly for collection of basic types ..
Validator	The commons-validator provides a simple and scalable framework to define the validator and validation rules in an XML file. Supports rule validation and internationalization of error messages.