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Java Foundations

J00availableJava from zero J01availableValues & flow J02availableEquality & hash J03availablePolymorphism J04availableGenerics & collections

JVM & Concurrency

J05availableExceptions & resources J06availableClassloading & bytecode J07availableHeap & GC evidence J08availableThreads & the JMM

Spring request to database

S00availableRequest system atlas S01availableRequest cost X-ray S02availableJava objects & Spring DI S03availableContainer internals S04availableWeb boundary S05availablePersistence S06availableConcurrency

J06·JVM & Concurrency·implemented

Classloading & bytecode

source·build artifact·runtime class identity를 어디까지 실제로 확인했는가?

CAPTUREDBUILD_CONTRACTJVMS_CONTRACTNOT_OBSERVED

Outcomes

• source / build / runtime separation
• classfile
• classpath
• load / link / init
• static initialization order
• ClassNotFoundException / NoClassDefFoundError
• captured observation vs JVMS explanation model
• JIT/native code NOT_OBSERVED

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Endpoint family / fixed variants

• /api/labs/java-runtime-deep?chapter=j06-classloading-bytecode&scenario=load-link-init
• /api/labs/java-runtime-deep?chapter=j06-classloading-bytecode&scenario=class-not-found
• /api/labs/java-runtime-deep?chapter=j06-classloading-bytecode&scenario=no-class-def-init

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