Upgrade from Java 9 to Java 11#4
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- Update maven-compiler-plugin from 3.1 to 3.11.0 - Switch from source/target 1.9 to release 11 - Add maven.compiler.release property - Bump JMH from 1.17.4 to 1.37 for Java 11 compatibility - Replace deprecated new Double() with Double.parseDouble() in Util.java - Update README.md to reference JDK 11+ Co-Authored-By: derek.wu <derekwu35@gmail.com>
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Summary
Upgrades the project from Java 9 (source/target 1.9) to Java 11 using the
releaseflag.Changes:
maven-compiler-pluginfrom 3.1 → 3.11.0, switched fromsource/target1.9 torelease11, addedmaven.compiler.releaseproperty, bumped JMH from 1.17.4 → 1.37 for Java 11 compatibilitynew Double(...)(deprecated, marked for removal since Java 9) withDouble.parseDouble(...)Review & Testing Checklist for Human
mvn clean compilewith JDK 11 and verify BUILD SUCCESScd target/classes && java lambdasinaction.chap1.FilteringApplesNotes
Date(int,int,int)deprecation warning inDateTimeExamples.javais intentional — that file demonstrates old vs. new date APIs for educational purposes.uncheckedwarning inStreamForker.javais pre-existing and unrelated to this upgrade.Link to Devin session: https://app.devin.ai/sessions/0238f210a1284b159d82c46375668edd
Requested by: @TheWuster935
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