Note that an API specification with this correction would still maintain its implementation-independence.

To this end, our target audience is those who write Java compatibility tests, or conform or re-implement the Java platform, in addition to developers.

We spend time and effort focused on specifying boundary conditions, argument ranges and corner cases rather than defining common programming terms, writing conceptual overviews, and including examples for developers.

A staff with generous resources can afford to blend both into the same documentation (properly chunked); however, our priorities dictate that we give prime focus to writing API specifications in doc comments.

Make Exeption For Java In Plus Those In

This may include assertions in the doc comments plus those in any architectural and functional specifications (usually written in FrameMaker) or in any other document.

This definition is a lofty goal and there is some practical limitation to how fully we can specify the API.

In particular, specifications that are lengthy are sometimes best formatted in a separate file and linked to from a doc comment.

It does not describe implementation details, such as whether the method is native or synchronized.

The specification should describe (textually) the thread-safety guarantees provided by a given object.

In the absence of explicit indication to the contrary, all objects are assumed to be thread-safe (i.e., it is permissible for multiple threads to access them concurrently).

It is recognized that current specifications dont always live up to this ideal.

Exceptions must be set apart and prominently marked as such.

The comments should not document bugs or how an implementation that is currently out of spec happens to work.

There is no dispute that these contribute to a developers understanding and help a developer write reliable applications more quickly.

However, because these do not contain API assertions, they are not necessary in an API specification.

You can include any or all of this information in documentation comments (and can include custom tags, handled by a custom doclet, to facilitate it).

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At Java Software, we consciously do not include this level of documentation in doc comments, and instead include either links to this information (links to the Java Tutorial and list of changes) or include this information in the same documentation download bundle as the API spec -- the JDK documentation bundle includes the API specs as well as demos, examples, and programming guides.

This can take two different forms: API spec bugs and code bugs.

Its useful to decide up front whether you want to document these in the doc comments.

At Java Software we have decided to document both of these outside of doc comments, though we do make exceptions.

If a decision is made to correct the API specification, it would be useful to state that either in the API specification itself, or in a list of changes to the spec, or both.

Documenting an API difference like this in a doc comment, along with its workaround, alerts a developer to the change where they are most likely to see it.

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