Multibindings: How to Build a Plugin System Without a Registry
Using the guice multibinder, MapBinder, and OptionalBinder so many modules can contribute to one Set, Map, or Optional — multibindings explained with Kotlin and Java side by side.
Guice for JVM Engineers · II
Advanced Guice: multibindings, generics, assisted injection, AOP, private modules, custom scopes, the servlet extension, and testing.
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TypeLiteral: Smuggling Generics Past the Erasure Checkpoint
How Guice TypeLiteral captures full generic types so you can bind and inject things like Repository<User>, with Kotlin and Java side by side — beating type erasure at its own game.
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Assisted Injection: When Half the Object Comes From Guice and Half From You
How guice assisted injection and @Assisted let Guice supply the dependencies while the caller supplies the runtime values — building objects that need both, in Kotlin and Java.
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Guice AOP: Wrapping Methods Without Touching Them
A practical guide to guice aop — using a method interceptor to add timing, logging, and transactions cross-cuttingly, with the limitations laid bare, in Kotlin and Java.
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Private Modules: What Happens in the Module Stays in the Module
How guice private modules encapsulate bindings so internal wiring never leaks into the global graph — and how to run two isolated copies of a subsystem, in Kotlin and Java.
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Custom Scopes: Teaching Guice a New Lifetime
How to write a guice custom scope by implementing the Scope interface — a ThreadLocal-backed scope with enter/exit, a scope annotation, and bindScope — with Kotlin and Java side by side.
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Guice on the Web: The Servlet Extension Nobody Mentions Anymore
How the guice servlet extension wires servlets, filters, and the @RequestScoped / @SessionScoped scopes onto a classic web stack — and when it's still the right tool — with Kotlin and Java side by side.
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Testing Guice, Writing It in Kotlin, and Not Shooting Yourself in the Foot
Guice testing without the container, swapping fakes with Modules.override and BoundFieldModule, Kotlin idioms, the Jakarta migration, and guice best practices — in Kotlin and Java.