What is Logger?

Question

What is Logger? Is any one have a good explanation to it?

Answer 1

According to an answer in Quora.com

What is Logging in programming?

In a clear way, logging is just a fancy word to define a process of writing down everything you do.
There are several kinds of logging. You may log every operation of an application, log only when errors occur, or log crytical operations done by a user, especially if you want to have control of who’s doing what for audit purposes.
Applications can log at a code level for debugging or at a user level for audits and phorbidden access register.
Every operating system have routines or services running on the background with the task of taking notes of everything that is happening. This way a SysAdmin can detect security breaches, malfunctions etc.

Answer 2

Khaled ^^ خالد القريشي‎

Logger is a central class of Log4J package in Jab which is use to print the logs in a file or it can be use to debug your code.

There is many methods like info(), debug(), error().

Answer 3

Khaled ^^ خالد القريشي‎

No. Logger is a best solution to keep track of your logs. We are already using it.

You need to know how to use Log4j library.

Answer 4

Thank you AJ #Learn With Me 👨‍💻
got it ^^

Answer 5

AJ #Learn With Me 👨‍💻 thank you, is there any other thing that the same thing? Instead of using Looger.