Java Core273 articles

Table of Contents The Quarterly Update CycleCritical Patch Updates (CPU)Patch Set Updates (PSU)Getting the Most Out of CPU and PSU ReleasesVersion Bumps in This ReleaseSecurity and Bug Fixes in This ReleaseAzul Zulu July 2026 Release NotesLucida Monotype Fonts Leave Zulu …

Table of Contents What pinning actually isThe two causes — and it really is just twoThe canonical bugWhat JDK 24 changed (JEP 491)How to catch itHow to fix itWhy I ended up automating the readThe incident that taught me to …

Table of Contents 🔤 Headline: BoxStringBuilder and Dramatically Faster String ConcatenationThe Performance StoryA First-Class BoxStringBuilder TypeOptimization 1: &= Does In-Place AppendOptimization 2: Compiler Self-Assignment RewriteOptimization 3: Compile-Time Literal FoldingOptimization 4: Auto-Switching Runtime Concat StrategyJava Interop Nuance🚀 Headline: Pluggable ClassLoader Factory …

Table of Contents What ShippedWasmGC: The Libraries Get SmarterTail Call OptimizationsOne More JAR: tree-sitter for JavaBeyond Libraries: Endive as a HostWhat’s NextGet StartedA few weeks ago, we wrote about a new generation of Java libraries powered by WebAssembly. SQLite, QuickJS, …

Table of Contents Why Sets? The Problem FirstMeet BoxSetCreating Sets: Every PathsetNew() — the workhorsesetOf() — varargs shorthandLiteral syntax: set{ … }Converting from other typesThe Three Variants in PracticeDefault (HashSet) — when order doesn’t matterLinked (LinkedHashSet) — when insertion order …

Table of Contents The Two FlavorsTemplate ClassesHoistingMultiple Classes in One ScriptProperties, Constructors, and Static MembersInheritanceJava InteroperabilityImports Are SharedTemplate Classes in .bxm FilesInner ClassesHoisting in Inner ClassesMultiple and Nested Inner ClassesInheritance Between Inner ClassesAccessing Outer Class StaticsExternal Access via $ SyntaxImporting …

Table of Contents The “No Waste Compute” ConstraintThe Impedance Mismatch in Memory OwnershipThe Netty QuestionExplicit State and FFMWhat the Exploratory Benchmarks ProveThe GC Layer and the True Cost of AbstractionsWhere SSLEngine Still WinsWhat I Changed, and What I Gave UpThe …

Table of Contents YouTubePodcast AppsGuestsSteve PooleDavid WelchContentIs your Java application actually secure, or does it just look that way? In this episode of the Foojay Podcast, Frank is joined by Steve Poole and David Welch, both from HeroDevs, to dig …

Table of Contents How to Use Azul Zulu as Docker Official ImagesPractical Examples: Building Lean ContainersEverything in One Container (Don’t Do This)Multi-Stage Build with JREUsing jdeps and jlink to Create a Custom RuntimeSize Comparison SummaryWhat to Do NextPreviously in this …