Uses of Package
org.apache.log4j

Packages that use org.apache.log4j

org.apache.log4j	The main log4j package.
org.apache.log4j.config	Package used in getting/setting component properties.
org.apache.log4j.helpers	This package is used internally.
org.apache.log4j.jdbc	The JDBCAppender provides for sending log events to a database.
org.apache.log4j.jmx	This package lets you manage log4j settings using JMX.
org.apache.log4j.net	Package for remote logging.
org.apache.log4j.performance	Package to measure the performance of the different log4j components.
org.apache.log4j.spi	Contains part of the System Programming Interface (SPI) needed to extend log4j.
org.apache.log4j.varia	Contains various appenders, filters and other odds and ends.
org.apache.log4j.xml	XML based components.

Classes in org.apache.log4j used by org.apache.log4j

Appender
Implement this interface for your own strategies for outputting log statements.

AppenderSkeleton
Abstract superclass of the other appenders in the package.

Category
This class has been deprecated and replaced by the Logger subclass.

FileAppender
FileAppender appends log events to a file.

Layout
Extend this abstract class to create your own log layout format.

Level
Defines the minimum set of levels recognized by the system, that is OFF, FATAL, ERROR, WARN, INFODEBUG and ALL.

Logger
This is the central class in the log4j package.

Priority
Refrain from using this class directly, use the Level class instead.

WriterAppender
WriterAppender appends log events to a Writer or an OutputStream depending on the user's choice.

Classes in org.apache.log4j used by org.apache.log4j.config

Logger
This is the central class in the log4j package.

Classes in org.apache.log4j used by org.apache.log4j.helpers

Appender
Implement this interface for your own strategies for outputting log statements.

Layout
Extend this abstract class to create your own log layout format.

Level
Defines the minimum set of levels recognized by the system, that is OFF, FATAL, ERROR, WARN, INFODEBUG and ALL.

Logger
This is the central class in the log4j package.

Classes in org.apache.log4j used by org.apache.log4j.jdbc

Appender
Implement this interface for your own strategies for outputting log statements.

AppenderSkeleton
Abstract superclass of the other appenders in the package.

Classes in org.apache.log4j used by org.apache.log4j.jmx

Appender
Implement this interface for your own strategies for outputting log statements.

Category
This class has been deprecated and replaced by the Logger subclass.

Layout
Extend this abstract class to create your own log layout format.

Logger
This is the central class in the log4j package.

Classes in org.apache.log4j used by org.apache.log4j.net

Appender
Implement this interface for your own strategies for outputting log statements.

AppenderSkeleton
Abstract superclass of the other appenders in the package.

Layout
Extend this abstract class to create your own log layout format.

Classes in org.apache.log4j used by org.apache.log4j.performance

Appender
Implement this interface for your own strategies for outputting log statements.

AppenderSkeleton
Abstract superclass of the other appenders in the package.

Layout
Extend this abstract class to create your own log layout format.

Classes in org.apache.log4j used by org.apache.log4j.spi

Appender
Implement this interface for your own strategies for outputting log statements.

Category
This class has been deprecated and replaced by the Logger subclass.

Level
Defines the minimum set of levels recognized by the system, that is OFF, FATAL, ERROR, WARN, INFODEBUG and ALL.

Logger
This is the central class in the log4j package.

Priority
Refrain from using this class directly, use the Level class instead.

Classes in org.apache.log4j used by org.apache.log4j.varia

Appender
Implement this interface for your own strategies for outputting log statements.

AppenderSkeleton
Abstract superclass of the other appenders in the package.

FileAppender
FileAppender appends log events to a file.

Level
Defines the minimum set of levels recognized by the system, that is OFF, FATAL, ERROR, WARN, INFODEBUG and ALL.

Logger
This is the central class in the log4j package.

RollingFileAppender
RollingFileAppender extends FileAppender to backup the log files when they reach a certain size.

WriterAppender
WriterAppender appends log events to a Writer or an OutputStream depending on the user's choice.

Classes in org.apache.log4j used by org.apache.log4j.xml

Appender
Implement this interface for your own strategies for outputting log statements.

Layout
Extend this abstract class to create your own log layout format.

Logger
This is the central class in the log4j package.