I went to Oracle Santa Clara for JVM Language Summit 2018. JVM Language Summit (JVMLS) is "an open technical collaboration among language designers, compiler writers, tool builders, runtime engineers, and VM architects". http://openjdk.jav…

On July 2018, I've become a Java Champion! I was very happy to hear that. My name is published at Java Champion web page. https://community.oracle.com/docs/DOC-925803 Koichi is a leader and a founder of a Japanese JUG, called KanJava He is…