http://wiki.apidesign.org/index.php?action=history&feed=atom&title=Portability 2026-05-02T01:42:50Z Revision history for this page on the wiki MediaWiki 1.12.0rc1 http://wiki.apidesign.org/index.php?title=Portability&diff=10651&oldid=prev 2023-04-01T11:02:00Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 11:02, 1 April 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases [[portability]]. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases [[portability]]. </div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Supporting the ancient [[JDK]] gives the application writers using such library or framework a [[freedom]] to choose their [[JDK]]. The application writers can then run on oldest or newest [[JDK]]. That's the kind of [[freedom]] they want. </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== Transitivity of non-[[Portability]] ===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== Transitivity of non-[[Portability]] ===</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">Supporting the ancient [[JDK]] gives the application writers using such library or framework a [[freedom]] to choose their [[JDK]]. The application writers can then run on oldest or newest [[JDK]]. That's the kind of [[freedom]] they want. However there</del>'s ''transitivity of non-portability'' - the [[portability]] of the final application cannot be bigger than [[portability]] of the least portable library used. This applies also to 3rd party dependencies a framework or library has: again their non-portability may negatively affect portability of such framework or library.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">There</ins>'s ''transitivity of non-portability'' - the [[portability]] of the final application cannot be bigger than [[portability]] of the least portable library used. This applies also to 3rd party dependencies a framework or library has: again their non-portability may negatively affect portability of such framework or library.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Btw. [[NetBeans]] is facing this non-portability issues with [[Lucene]]. The [[Lucene]] team decided to stop supporting [[JDK]]8 in newest versions. That puts all [[Lucene]] users into a dilemma:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Btw. [[NetBeans]] is facing this non-portability issues with [[Lucene]]. The [[Lucene]] team decided to stop supporting [[JDK]]8 in newest versions. That puts all [[Lucene]] users into a dilemma:</div></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10650&oldid=prev 2023-04-01T11:00:17Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 11:00, 1 April 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 8:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">=== Transitivity of non-[[Portability]] ===</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Supporting the ancient [[JDK]] gives the application writers using such library or framework a [[freedom]] to choose their [[JDK]]. The application writers can then run on oldest or newest [[JDK]]. That's the kind of [[freedom]] they want. However there's ''transitivity of non-portability'' - the [[portability]] of the final application cannot be bigger than [[portability]] of the least portable library used. This applies also to 3rd party dependencies a framework or library has: again their non-portability may negatively affect portability of such framework or library.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Supporting the ancient [[JDK]] gives the application writers using such library or framework a [[freedom]] to choose their [[JDK]]. The application writers can then run on oldest or newest [[JDK]]. That's the kind of [[freedom]] they want. However there's ''transitivity of non-portability'' - the [[portability]] of the final application cannot be bigger than [[portability]] of the least portable library used. This applies also to 3rd party dependencies a framework or library has: again their non-portability may negatively affect portability of such framework or library.</div></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10649&oldid=prev 2023-04-01T10:58:50Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 10:58, 1 April 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example as that prevents your library to run on [[Unix]]-like systems<del style="color: red; font-weight: bold; text-decoration: none;">. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability</del>. </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example as that prevents your library to run on [[Unix]]-like systems. </div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== [[Portability]] of [[Java]] [[Libraries]] ===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== [[Portability]] of [[Java]] [[Libraries]] ===</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases [[portability]]. </ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10648&oldid=prev 2023-04-01T10:58:08Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 10:58, 1 April 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example as that prevents your library to run on [[Unix]]-like systems. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example as that prevents your library to run on [[Unix]]-like systems. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. </div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>&#160;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">=== [[Portability]] of [[Java]] [[Libraries]] ===</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>&#160;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10647&oldid=prev 2023-04-01T10:56:48Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 10:56, 1 April 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example as that prevents your library to run on [[Unix]]-like systems. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library <del style="color: red; font-weight: bold; text-decoration: none;">be </del>aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example as that prevents your library to run on [[Unix]]-like systems. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10646&oldid=prev 2023-04-01T10:55:48Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 10:55, 1 April 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library be aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example <ins style="color: red; font-weight: bold; text-decoration: none;">as that prevents your library to run on [[Unix]]-like systems</ins>. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library be aspire to be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10644&oldid=prev 2023-02-09T04:33:26Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 04:33, 9 February 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the ''supported JDK'' version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library <ins style="color: red; font-weight: bold; text-decoration: none;">be aspire to </ins>be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10643&oldid=prev 2023-02-09T04:32:41Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 04:32, 9 February 2023</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>When designing frameworks and libraries that shall be widely adopted it is important to increase [[portability]] as much as possible. If an [[API]] can be used on different systems, different configurations, the amount of users including such [[API]] in their applications grows.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the <del style="color: red; font-weight: bold; text-decoration: none;">support </del>JDK version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The best way to hurt [[portability]] is to depend on a 3rd party [[API]] that isn't [[portability|portable]]. Depending on Win32 [[API]] is one such example. Of course, writing in [[Java]] (a [[language]] designed to ''write once and run everywhere'') greatly increases portability. However there is another axis hurting [[portability]] - the <ins style="color: red; font-weight: bold; text-decoration: none;">''supported </ins>JDK<ins style="color: red; font-weight: bold; text-decoration: none;">'' </ins>version. Of course, should a library be widely used, it has to support as oldest JDK as possible. These days it is [[JDK]]8 - the primary reason being that [[Android]] supports [[JDK]]8 - as such, should a library be used on [[Android]] (as well as regular [[Java]]), it needs to stick to version eight. Btw. not that many years ago, [[Android]] only supported [[JDK]]6 and many libraries had to stay with [[JDK]]6 [[API]]s and [[language]].</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10642&oldid=prev 2022-10-30T19:55:28Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 19:55, 30 October 2022</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 18:</td> <td colspan="2" class="diff-lineno">Line 18:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>What every non-masochist [[API]] writer wants is:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>What every non-masochist [[API]] writer wants is:</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* high portability with respect to supported range of [[JDK]]s</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* high portability with respect to supported range of [[JDK]]s <ins style="color: red; font-weight: bold; text-decoration: none;">(maybe with help of [[AlternativeImplementation]]s)</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* decent version of [[Java]] language</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* decent version of [[Java]] language</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* code against selected old [[JDK]] [[API]]s, but use the latest [[Java]] features</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* code against selected old [[JDK]] [[API]]s, but use the latest [[Java]] features</div></td></tr> </table>

JaroslavTulach http://wiki.apidesign.org/index.php?title=Portability&diff=10638&oldid=prev 2022-10-30T18:14:55Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 18:14, 30 October 2022</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 4:</td> <td colspan="2" class="diff-lineno">Line 4:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Supporting the ancient [[JDK<del style="color: red; font-weight: bold; text-decoration: none;">]</del>]] gives the application writers using such library or framework a [[freedom]] to choose their [[JDK]]. The application writers can then run on oldest or newest [[JDK]]. That's the kind of [[freedom]] they want. However there's ''transitivity of non-portability'' - the [[portability]] of the final application cannot be bigger than [[portability]] of the least portable library used. This applies also to 3rd party dependencies a framework or library has: again their non-portability may negatively affect portability of such framework or library.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Supporting the ancient [[JDK]] gives the application writers using such library or framework a [[freedom]] to choose their [[JDK]]. The application writers can then run on oldest or newest [[JDK]]. That's the kind of [[freedom]] they want. However there's ''transitivity of non-portability'' - the [[portability]] of the final application cannot be bigger than [[portability]] of the least portable library used. This applies also to 3rd party dependencies a framework or library has: again their non-portability may negatively affect portability of such framework or library.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Btw. [[NetBeans]] is facing this non-portability issues with [[Lucene]]. The [[Lucene]] team decided to stop supporting [[JDK]]8 in newest versions. That puts all [[Lucene]] users into a dilemma:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Btw. [[NetBeans]] is facing this non-portability issues with [[Lucene]]. The [[Lucene]] team decided to stop supporting [[JDK]]8 in newest versions. That puts all [[Lucene]] users into a dilemma:</div></td></tr> </table>

JaroslavTulach