I had a quickie session in DevoxxUS 2017 in San Jose. Here is the movie. www.youtube.com This was the first time of having a presentation in English. But I took many dry runs before I went to the US. Someday I wish I would have a presentat…

In Java Day Tokyo 2017, I talked with Sebastian Daschner, who is a Java Champion, on nighthacking.com. Here is the movie. www.pscp.tv I explained KanJava, which is Osaka JUG in Japan I created, and Purikura, which is Japanese Photo Sticker…