Answer / suresh gangula

log4j can be used for writing the log messages to various
kinds of destinations like a file, database, console etc...

It is always advisable to use some sort of logging API to
generate the log messages.the log messages helps the end
user as well as the developer of the application, to kow
about what the application has done and why the application
has failed, etc...

It is developed by Apache and this is used as part of
various products like hibernate, struts, strings etc...

Answer / ramarao

log4j is a mechanism to find out the proper execution flow
of our application.
for this we use third party tool log4j developed by apache.

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