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Editorial Team
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Asked: 2026-05-12T07:42:07+00:00

I’ve got my hands on an old Microsoft J++ project that uses some old

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I’ve got my hands on an old Microsoft J++ project that uses some old Microsoft-specific things from the Microsoft Java Virtual Machine (now deprecated and unsupported). It uses additional things from the old Microsoft Java Development Kit, which I can’t find anywhere on the web.

It seems the best route forward is to migrate this project to the latest version of Java, and migrate the J++ .sln solution file to an Eclipse project file.

I’m a bit overwhelmed right now — are there any tools to help ease the migration process? Any tips for doing such a conversion?

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  1. Editorial Team

    I would break this up in multiple steps.

    First get this to compile and in Visual J++. You will most likely need to buy a used copy from e.g. Ebay.

    A quick search found http://cgi.ebay.com/Visual-J-6-0-Professional-Commercial-Box-561-00176_W0QQitemZ320309632655QQihZ011QQcategoryZ80301QQcmdZViewItem

    THen when you can see how this works you can work isolating and refactoring the Microsoftisms into something generically usable. This page illustrates how to make J++ work with a Sun JRE so you can do the initial work there: http://java3d.j3d.org/tutorials/quick_fix/vis_jpp.html

    Then you will most likely have a bunch of java files which you can copy-paste into a fresh Java project inside Eclipse.

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