Spring Framework 5.0 on JDK 8 & 9

on YouTube ↗01h 14m

" summary

Spring Framework 5.0 raises the baseline to Java 8 and adds concrete support for JDK 9+ features: register beans with Suppliers (lambda-based, reflection-free instantiation), default methods on SPIs, functional WebFlux router functions, and Kotlin/reactor integration. It adapts Java 9’s java.util.concurrent.Flow to Reactor, provides supports java.util.concurrent.Flow, and ships stable module names so frameworks can run on the module path or simply on the classpath. Upgrade guidance: stay on classpath first, compile target 1.8 if needed, then move to 9→10→11 to gain runtime wins like compact strings and G1 improvements.

AI-written summary · about

" chapters (5)

1. 0:00Introduction to Spring 5 on JDK 8/9
2. 13:59Spring 5 design motivation
3. 35:28JDK 8 baseline benefits
4. 50:05JDK 9 module system
5. 1:05:18Upgrade recommendations

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