RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

Java 学习&面试指南（Go、Python 后端面试通用,计算机基础面试总结）。准备后端技术面试，首选 JavaGuide！

note for understand of the java

Based on a true story

manager the ec job

Distributed Scheduled Job Framework