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Let’s create web application with Kotlin and Spring. Spring is really sophisticated Java framework, and can do almost of all everything.
Here’s the way to copy directory recursively including dot files in Kotlin. I wanted do that with command but I couldn’t. So I used Kotlin.
I calculated disjoint Pythgoras numbers with Kotlin.
Kotlin で、 Monte Carlo Methoddを使って円周率を計算しました。