Eric Normand has a course "JVM Fundamentals for Clojure" which might be useful? https://purelyfunctional.tv/courses/jvm-clojure/
On Wed, Aug 16, 2017 at 2:20 PM Paul Gowder <paul.gow...@gmail.com> wrote: > Hi there, > > Can anyone recommend decent resources for learning Java for experienced > Clojurists who don't do enough interop? > > After writing Clojure for about a year and a half, I find that the most > continuous barrier I encounter is in understanding how to drop down to the > JVM. And it's even a barrier in using some core CLJ libraries. > > Here's an illustration of the problem I often have. I was writing a web > application using Reagent/Immutant, and I wanted to pass data from frontend > to backend over a websocket in transit format. But the only example in the > github readme for Transit-CLJ involves dealing with data as a Java > bytestream. And it was just too daunting to try to figure out what flavor > of JVM string the stuff being received over the websocket was under the > hood, how to cast it into a bytearrayinputstream or whatever else can fit > into a transit "writer," etc. Or even just like where to start translating > from "here, I have a Clojure string" to "oh god, now it has to turn into > some kind of low-level object that isn't a string and isn't a file but is > something in between and maybe it has to be a stream and maybe it doesn't > > Yet almost all "how to learn java" materials I can turn up seem to be > directed at total beginner programmers, and start with stuff like "here's > what a for loop is" rather than practical stuff like "here's how to sort > out the different kinds of array-whatsits and byte-whatsats" or "here's how > the entry point of a java library works" or whatnot. > > I'm hoping there's something out there (that goes a bit deeper than the > wonderful-but-not-quite-what-i-need interop chapter in Brave and True) that > someone can recommend. > > thanks! > > -Paul > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
