What is javadoc for and how can i use it?

Hello,
I want to know what for
*/is and how I can use it?

It works like this:
You add comments between /** and */ in your source code for all your classes, methods, variables etc. Then you run the javadoc tool, which is included with the JDK. Read the Javadoc Tool Documentation for instructions about how to use it.
The javadoc tool looks at the comments in your source code and generates a directory containing HTML pages. The HTML pages contain the documentation of all your classes and methods.
Why would you want this? Because other people who are going to use your source code do not want to browse through all of your source code all the time to find out how your classes work. Having a good manual in the form of HTML pages generated by javadoc is much more convenient.

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