A Spring Boot 4 playground showcasing modern Java practices with declarative HTTP clients, modular architectures, API versioning, null-safety with JSpecify & NullAway, MockMvc testing, observability via OpenTelemetry, AI utilities with Spring AI, and Ahead-of-Time (AOT) optimizations and more
java aot spring-security rest-client resilience modularization api-versioning jms-client null-safety http-interface open-telemetry jms-messages jspecify mfa-authenticator spring-ai nullaway spring-boot-4 mockmvc-testing
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Updated
Apr 14, 2026 - Java