The 2024 State of the Java Ecosystem report by New Relic reveals rapid adoption of Java 21 and a strong shift toward Eclipse Adoptium among JDK vendors. Java 17 usage grew to 35%, while Oracle's JDK share fell to 21%. The G1 garbage collector dominates (43%), and most apps run on 1–4 cores with increased memory use over 1 GB. Log4j remains the top logging framework (76%), Bouncy Castle leads in encryption (17%), and Oracle Database tops database use (17%). Developer queries focus on learning, metrics, and configuration. The findings reflect data from hundreds of thousands of Java apps in 2024.

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