Logger: Logger is the class of java.util.logging package that extends the Object class. Java provides logging APIs like: Logger, Level, Handler etc. for implementing logging features in your java application. It is a part of J2SE (Java 2 Standard Edition). When you go to create java logging program then first of all need a Logger object. The Logger object contains log messages. Logger has one or more handler that performs log records. A logger object used for logging messages for individual system or an application component that can be derived by getLogger methods. Java logging provides a way to contain multiple types of message like: warning, info, severe etc. for an application. These information or messages can be used for many purposes but it is specially used for debugging, troubleshooting and auditing.
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