Should Javadoc comments be added to the implementation?

Question

Is it correct practice to add Javadoc comments in the interface and add non-Javadoc comments in the implementation?

Most IDEs generate non-JavaDoc comments for imple

Answer 1

For the sake of generated javadoc yes it does matter. If you declare references to a concrete implementation using only the interface then it doesn't since interface's methods will be retrieved by the IDE.