InfoQ Homepage Java Content on InfoQ
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InfoQ Dev Summit Munich: How to Optimize Java for the 1BRC
Java applications passed the 1 Billion Row Challenge (1BRC) in 1.5 seconds. 1BRC creator Gunnar Morling detailed their optimizations at the InfoQ Dev Summit Munich 2024. General optimizations applicable to all Java applications cut the runtime from 290 seconds to 20 seconds. Getting to 1.5 seconds required niche optimizations that most Java applications should forego, except for possibly GraalVM.
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Java News Roundup: OpenJDK JEPs, Plans for Spring 7.0, JobRunr 7.3, Keycloak 26.0, Debezium 3.0
This week's Java roundup for September 30th, 2024, features news highlighting: new OpenJDK JEPs and those targeted for JDK 24; plans for Spring Framework 7.0; JobRunr 7.3.0, Keycloak 26.0.0 and Debezium 3.0.0.
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Compiler Explorer Provides Insights into Low-Level Android App Optimization
Android engineers at Google added support for the Java and Kotlin programming languages to Compiler Explorer, an open source tool aimed at exploring how compilers work by compiling code in real-time. Using Compiler Explorer, Android engineers can optimize the performance of their apps by observing how the compiler works under the hood instead of using a set of pre-defined best practices.
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Java News Roundup: Proposed Schedule for JDK 24, SecurityManager Disabled, Commonhaus Foundation
This week's Java roundup for September 23th, 2024, features news highlighting: the proposed release schedule for JDK 24; JEP 475, Late Barrier Expansion for G1, promoted from Candidate to Proposed to Target for JDK 24; JEP 486, Permanently Disable the Security Manager, promoted from its JEP Draft 8338625 to Candidate status; and Quarkus joining the Commonhaus Foundation.
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Java News Roundup: JDK 23, GraalVM for JDK 23, Jakarta EE 11 Update, Micronaut GraalPy, Azul
This week's Java roundup for September 16th, 2024, features news highlighting: the release of JDK 23 and GraalVM for JDK 23; an update on Jakarta EE 11 and plans for Jakarta EE 12; introducing Micronaut GraalPy; and Azul Zing Builds of OpenJDK 24.08.
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Spring News Roundup: Milestones for Spring Boot, Auth Server, Integration, Modulith, Batch
There was a flurry of activity in the Spring ecosystem during the week of September 16th, 2024, highlighting point and milestone releases of: Spring Boot, Spring Security, Spring Authorization Server, Spring Integration, Spring Modulith, Spring Batch, Spring AMQP and Spring for Apache Pulsar.
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Java 23 Delivers Markdown Documentation, ZGC Generational Mode, Deprecate sun.misc.Unsafe
Oracle has released version 23 of the Java programming language and virtual machine. As the second non-LTS release since JDK 21, the final feature set includes 12 JEPs. Three of these - Markdown Documentation Comments, ZGC: Generational Mode by Default and Deprecate the Memory-Access Methods in sun.misc.Unsafe for Removal - are final features without having gone through the preview process.
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Java News Roundup: Payara Platform, Piranha Cloud, Spring Milestones, JBang, Micrometer, Groovy
This week's Java roundup for September 9th, 2024, features news highlighting: the September 2024 Payara Platform, Piranha Cloud and Micrometer releases, Spring Framework 6.2.0-RC1, Spring Data 2024.1.0-M1, JBang 0.118.0 and Groovy 5.0.0-alpha-10.
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Java News Roundup: Stream Gatherers, Project Loom, Hibernate Validator, LangChain4j, Clojure
This week's Java roundup for September 2nd, 2024, features news highlighting: JEP 485, Stream Gatherers, promoted to Candidate; Project Loom Build 24-loom+7-60; Hibernate Validator 9.0.0.Beta3; LangChain4j 0.34.0; and Clojure 1.12.0.
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Java News Roundup: Class-File API, GlassFish, JHipster, JReleaser, Hibernate Search, Micronaut
This week's Java roundup for August 26th, 2024, features news highlighting: JEP 484, Class-File API, promoted to Candidate status, GlassFish 7.0.17, JHipster 8.7.0, JReleaser 1.14.0, Hibernate Search 7.1.2 and 7.2.1, and Micronaut Framework 4.6.0.
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Java News Roundup: JDK 23-RC2, MicroProfile 7.0, Infinispan, Maven, JHipster
This week's Java roundup for August 19th, 2024, features news highlighting: the second release candidate of JDK 23; the release of MicroProfile 7.0; and point releases for Infinispan, Quarkus, Helidon, Maven, JHipster and Kotlin.
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Spring News Roundup: Milestone Releases for Spring Boot, Cloud, Security, Session and Spring AI
There was a flurry of activity in the Spring ecosystem during the week of August 19th, 2024, highlighting: point and milestone releases of Spring Boot, Spring Data, Spring Cloud, Spring Security, Spring Authorization Server, Spring Session, Spring for Apache Kafka and Spring for Apache Pulsar.
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JDK 23 and JDK 24: What We Know So Far
JDK 23, the second non-LTS release since JDK 21, has reached its second release candidate phase with a final set of 12 new features, in the form of JEPs, that can be separated into four categories: Core Java Library, Java Language Specification, HotSpot and Java Tools. We examine JDK 23 and predict what features have, or could be, targeted for JDK 24.
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Java News Roundup: Spring 6.2-M7, Project Loom, Payara Platform, Gradle 8.10, Helidon 4.1
This week's Java roundup for August 12th, 2024, features news highlighting: the release of Spring Framework 6.2.0-M7; Project Loom Build 24-loom+4-42, the August 2024 Payara Platform, Open Liberty and Piranha Cloud releases; Gradle 8.10.0; Helidon 4.1.0; and Eclipse JKube 1.17.0.
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Null-Restricted and Nullable Types for Java
Draft JEP 8303099 was recently made public. This JEP discusses Null-Restricted and Nullable Types, and aims to bring optional nullness-marking to the Java language, in a similar way to that seen in other programming languages (such as Kotlin).