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Groups > comp.lang.java.programmer > #36541

Re: Jigsaw

From Arne Vajhøj <arne@vajhoej.dk>
Newsgroups comp.lang.java.programmer
Subject Re: Jigsaw
Date 2017-04-26 19:49 -0400
Organization Aioe.org NNTP Server
Message-ID <odrble$1tk3$1@gioia.aioe.org> (permalink)
References (2 earlier) <odks25$1av6$1@gioia.aioe.org> <odl2vp$1moi$1@gioia.aioe.org> <b6c08905-7e08-460f-9b04-eb287b99e84d@googlegroups.com> <odl5k1$1r6b$1@gioia.aioe.org> <odr760$1ns2$1@gioia.aioe.org>

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On 4/26/2017 6:32 PM, omegajunior wrote:
> Arne Vajhøj <arne@vajhoej.dk> Wrote in message:
>> On 4/24/2017 11:15 AM, Eric Douglas wrote:
>>> I'm not sure if this "jigsaw" is the same JRE classes broken up to
>>> different jars, or how this accomplishes the other stated goals of
>>> improving security, maintainability, and application performance.
>>
>> The modular split and the dependency management can certainly
>> improve things for large systems.
>
> Yes, for limited systems (mobile phones, set-top boxes, smart
>  cards)
> both the file size and the amount of memory (both stack
>  and heap) used by the JRE form prohibitive factors.

> I do hope that Jigsaw forces core java to separate class loading
>  between concerns, so I can, for instance, totally remove
>  java.xml, if my application doesn't use xml, or allows me to
>  replace a default  implementation of some interface entirely with
>  a competing one.

It can help on disk space.

It can not help with memory.

JVM's does not load jar files - they load single classes
when they are needed. Same number of classes will be
in memory without and with jigsaw.

Memory usage is up to the developer.

Arne

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Thread

Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-20 21:37 -0400
  Re: Jigsaw omegajunior <omegajunior@protonmail.com> - 2017-04-24 08:45 -0400
    Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-24 10:44 -0400
      Re: Jigsaw Eric Douglas <e.d.programmer@gmail.com> - 2017-04-24 08:15 -0700
        Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-24 11:29 -0400
          Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-24 11:29 -0400
          Re: Jigsaw omegajunior <omegajunior@protonmail.com> - 2017-04-26 18:32 -0400
            Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-26 19:49 -0400
        Re: Jigsaw Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-04-24 11:51 -0400
          Re: Jigsaw omegajunior <omegajunior@protonmail.com> - 2017-04-26 18:37 -0400
            Re: Jigsaw Arne Vajhøj <arne@vajhoej.dk> - 2017-04-26 19:49 -0400
            Re: Jigsaw Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-04-27 07:42 -0400

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