Java 11 and Java 17 lead Java usage, Azul survey finds

Java 11 and Java 17, designated Long Term Support (LTS) versions of the language by Oracle, are the most widely used Java versions, closely followed by Java 8, according to a recent survey by Java software provider Azul.

Azul found that Java 11, released in September 2018, and Java 17, released in September 2020, were used by 48% and 45% of respondents, respectively. Java 8, an LTS version released in March 2014, trailed at 40%. These findings were published in the Azul State of Java Survey and Report 2023 on October 24. The report is based on a worldwide survey of 2,062 Java professionals and users of Java-based applications conducted in May and June.

Azul found that 85% of respondents used an LTS version of Java, meaning the Java version is backed by several years of support from Oracle, and 64% used more than one Java version. Azul said it was encouraged to see critical mass move beyond Java 8 to more recent LTS versions, adding this likely indicated that application teams had moved beyond interoperability issues introduced in Java 9, which arrived in September 2017.

New releases of Java are published every six months, with LTS versions from Oracle arriving every two years. Short-term releases, or feature releases, get just six months of support, and are published when an LTS release is not due. It is common practice for companies to skip these feature releases, Azul said. The latest release of Java, JDK 21, was published in September as an LTS release.

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