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The JVM Ecosystem Report 2021 was conducted over six weeks through February and March 2021, gathering the responses of over 2000 Java developers.
In addition, almost half of developers (44%) use the free AdoptOpenJDK distribution in production as one of their JDKs, and 48% use it in development.
Oracle is still a big player in the market, with 28% of developers using it for their OpenJDK build and 23% for the commercial OpenJDK. The third most popular supplier of JDKs in production is Azul, at 15.5% adoption.
The survey also found that 37% of respondents said they use at least two different JDKs, and 12.5% even use three or more different JDKs in production.
Other findings are that Java is still by far the most popular language by a long shot. Snyk stated it would probably remain that way in the foreseeable future and that JetBrains IntelliJ IDEA remains dominant as an IDE in the Java ecosystem.