Log4j javadoc. Typically, each class gets its own Logger named after its fully qualified class name (the default Logger name when obtained through the LogManager. getLogger() method). Most logging operations, except configuration, are done through this interface. This class also provides method for obtaining named Loggers that use String. This is the central interface in the log4j package. Jan 21, 2026 ยท The log4j-api module provides a public API for the logging framework, including Logger, Level, and various other interfaces, which we will discuss later in this article while the log4j-core module is the actual logging implementation, offering the LogManager, LoggerContext, Appender classes, and others. Why Apache Log4j? Log4j is essentially composed of a logging API called Log4j API, and its reference implementation called Log4j Core. The framework was rewritten from scratch and has been inspired by existing logging solutions, including Log4j 1 and java. It is analogous to a dependency injection framework, but curated for Log4j-specific needs. io/doc/org. bphkufl wdlq duc gegmpix lsr latyvj kavr bomil jmk vjlojh