# Java Configuration Libraries

> AI-ranked search results for `best java configuration libraries` on awesome-repositories.com — ordered by an LLM for relevance, best match first. 120 total matches; showing the top 1.

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## Results

- [lightbend/config](https://awesome-repositories.com/repository/lightbend-config.md) (6,309 ⭐) — This is a configuration library for JVM applications that parses HOCON, JSON, and Java properties files into an immutable tree structure. It resolves `${...}` placeholders by traversing the configuration tree and falling back to environment variables and system properties, and validates loaded configurations against a reference schema.

The library loads configuration from classpath resources, files, URLs, system properties, and environment variables, merging them with priority-based override semantics. It provides typed value access with automatic type coercion, supports dot-path navigation,