🚁🚀基于Flink实现的商品实时推荐系统。flink统计商品热度，放入redis缓存，分析日志信息，将画像标签和实时记录放入Hbase。在用户发起推荐请求后，根据用户画像重排序热度榜，并结合协同过滤和标签两个推荐模块为新生成的榜单的每一个产品添加关联产品，最后返回新的用户列表。

Alibaba Dragonwell8 JDK

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

A tiny IoC container refer to Spring.

SOFARPC is a high-performance, high-extensibility, production-level Java RPC framework.

A production-grade java implementation of RAFT consensus algorithm.

High performance non-blocking webserver

Java libraries for writing microservices

Generates a unified GraphQL schema from gRPC microservices and other Protobuf sources

Vert.x examples

Java client for Kubernetes & OpenShift

Kubernetes integration with Spring Cloud Discovery Client, Configuration, etc...

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with…

Automatic binding+disposal of RxJava streams.

☕ JavaCore 是对 Java 核心技术的经验总结。

Automated mass refactoring of source code.

基于Spark的电影推荐系统，包含爬虫项目、web网站、后台管理系统以及spark推荐系统

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

QMQ是去哪儿网内部广泛使用的消息中间件，自2012年诞生以来在去哪儿网所有业务场景中广泛的应用，包括跟交易息息相关的订单场景； 也包括报价搜索等高吞吐量场景。

TCP/HTTP/UDP/QUIC client/server with Reactor over Netty

Spring Native is now superseded by Spring Boot 3 official native support

The official AWS SDK for Java - Version 2

RxJava types that are both an Observable and a Consumer.

Java MQTT lightweight broker

Apache ActiveMQ Classic

Java distributed tracing implementation compatible with Zipkin backend services.

Java implementation of RSocket

samples for Apache Dubbo

OpenTelemetry Java SDK