Java also provides a special form of comment that is for generating automatic documentation, and web pages, for Java programs using a tool called javadoc. Within these comment blocks several special variables, indicated by a leading @, are recognized.
Documentation comments:
/**
* This interface is sure to make any Java object Cool. It
* defines no methods, but it adds a certain amount of positive
* karma to any class (not to mention that it yields an edible
* combination of mathematical constants).
*
* @see java.hot
* @author Leonard McMillan
* @version 1.0
*/
public abstract interface Cool {
public final static int KARMA = Math.PI + Math.E;
}