/**
* for database operation.
* main execute class is {@link org.test.toolkit.database.DefaultDbClient}
*
* @author
*
*/
Doesn’t generate the statement: main execute class is….

/**
* for database operation,
* main execute class is {@link org.test.toolkit.database.DefaultDbClient}
*
* @author
*
*/
This generates the statement: main execute class is ….,

Why? Is it a JavaDoc bug or an IDE bug or my problem? The only difference is the end with . or ,.
JavaDoc uses the first sentence of the comment as the summary. A sentence ends with a fullstop
..