java.util · java.base · since Java 1.6

ServiceLoader

declaration

public final class ServiceLoader<S> implements Iterable<S>

Discovers interface implementations registered via module `provides` clauses or META-INF/services files — plugin architecture without compile-time coupling.

Key methods

`static <S> ServiceLoader<S> load(Class<S> service)`	Find all providers on the class/module path.
`Optional<S> findFirst()`	The first provider, if any.
`Stream<Provider<S>> stream()`	Inspect provider types before instantiating.