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DeWu Technology
DeWu Technology
Jan 17, 2024 · Mobile Development

Analysis of R8 Class Reflection Optimization and Obfuscation Issues in Android Builds

The article explains how a missing keep rule caused R8’s pre‑AGP 8 reflection optimizer to skip a class because its interface wasn’t in the allowed set, leading to the class name being obfuscated and mismatched in static‑block initialization via Class.forName, and describes the optimizer’s behavior and fixes.

AGPAndroidClassLoading
0 likes · 8 min read
Analysis of R8 Class Reflection Optimization and Obfuscation Issues in Android Builds
Selected Java Interview Questions
Selected Java Interview Questions
Aug 7, 2023 · Backend Development

Understanding Java Class Loading, the Parent Delegation Model, and Tomcat’s Custom ClassLoaders

This article reviews Java’s default class‑loading mechanism, explains the parent‑delegation model, discusses how it can be broken, and details Tomcat’s custom class‑loader architecture that intentionally deviates from the standard delegation to achieve web‑application isolation and hot‑swap capabilities.

Backend DevelopmentClassLoadingJava
0 likes · 13 min read
Understanding Java Class Loading, the Parent Delegation Model, and Tomcat’s Custom ClassLoaders
JD Cloud Developers
JD Cloud Developers
Sep 9, 2020 · Fundamentals

Unlocking JVM Secrets: A Visual Guide to Java Memory and Execution

This article demystifies the JVM’s memory architecture and execution engine, walking through class loading, the runtime data areas, JIT versus interpreter, and native interactions, complemented by clear diagrams to help developers understand how Java manages memory and executes code.

ClassLoadingJITJVM
0 likes · 7 min read
Unlocking JVM Secrets: A Visual Guide to Java Memory and Execution