Creating log files in java

The need for Log capture There are multiple reasons why we may need to capture the application activity. Recording unusual circumstances or errors that may be happening in the program Getting the info about whats going in the application The details which can be obtained from the logs can vary. Sometimes, we may want a lot of details regarding the issue, or sometimes some light information only.

Like when the application is under development and is undergoing testing phase, we may need to capture a lot of details. Log Levels The log levels control the logging details. They determine the extent to which depth the log files are generated. Each level is associated with a numeric value and there are 7 basic log levels and 2 special ones. We need to specify the desired level of logging every time, we seek to interact with the log system.

Ex like database unavailable, out of memory. Warning may occur whenever the user has given wrong input or credentials. Info is for the use of administrators or advanced users. It denotes mostly the actions that have lead to a change in state for the application. Configuration Information may be like what CPU the application is running on, how much is the disk and memory space.

In addition it is possible to create "anonymous". FileHandler crunchifyFileHandler ;. Uncomment below 2 lines to see XML result. Jan 27 , 7 : 04 : 11 PM crunchify. CrunchifyLogGenerator main. Jan 27 , 7 : 04 : 12 PM crunchify. Jan 27 , 7 : 04 : 13 PM crunchify. Jan 27 , 7 : 04 : 14 PM crunchify. Join the Discussion If you liked this article, then please share it on social media.

Other Popular Articles The following example also creates a new, empty file. We create a Path instance using a static method in the Paths class java. Paths named Paths. Notice the following statement:. In the above line Path is an interface and Paths is a class. Both belongs to same package. The Paths. JavaTpoint offers too many high quality services.

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