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< h1 > Further notes on Kotlin< a class = "headerlink" href = "#further-notes-on-kotlin" title = "Permalink to this headline" > ¶< / a > < / h1 >
< p > Corda is written in a language called < a class = "reference external" href = "https://kotlinlang.org/" > Kotlin< / a > . Kotlin is a language that targets the JVM
and can be thought of as a simpler Scala, with much better Java interop. It is developed by and has commercial support
from JetBrains, the makers of the IntelliJ IDE and other popular developer tools.< / p >
< p > Kotlin is a relatively new language and is extremely easy to learn. It is designed as a better Java for industrial
use and, as such, the syntax was carefully designed to be readable even to people who don’ t know the language, after only
a few minutes of introduction. Additionally, at R3, we find that all of our developers are up to productive writing speed
in Kotlin within their first week.< / p >
< p > Due to the seamless Java interop the use of Kotlin to extend the platform is < em > not< / em > required and the tutorial shows how
to write contracts in both Kotlin and Java. You can < a class = "reference external" href = "https://medium.com/@octskyward/why-kotlin-is-my-next-programming-language-c25c001e26e3" > read more about why Kotlin is a potentially strong successor to Java here< / a > .< / p >
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