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For those looking a way to run java console apps in the browser, check out doppio: https://plasma-umass.org/doppio-demo/ it's old and unmaintained but it works. For example I run the java H2 database online: https://www.timestored.com/data/h2-database-online/ which allows me to try disposable SQL queries in my browser.

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The in-browser H2 database is very cool, thanks for sharing. I'm a regular user of H2, but have only used it server-side so far.

How much trouble was it to get working? Not sure how doppio handles the absence of raw TCP connections and a standard filesystem in the browser, but if it works in doppio I would think it could work in TeaVM too.

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