2019年最新总结，阿里，腾讯，百度，美团，头条等技术面试题目，以及答案，专家出题人分析汇总。

Elastic-Job is a distributed scheduled job framework, based on Quartz and Zookeeper.

tcc-transaction是TCC型事务java实现

spring cloud demonstration

It's a TCC(Try-Confirm-Cancel) transaction framework.基于TCC原理的分布式事务框架

HanLP Chinese Analysis Plugin for Elasticsearch http://www.elasticsearch.org

TCC Transaction Manager旨在提供一个兼容JTA的基于TCC事务补偿机制的分布式事务管理器。历史版本: http://code.taobao.org/p/openjtcc

采用Best effort 1pc + 回滚补偿机制实现的一个distributed transaction (分布式事务框架).基于dubbo rpc服务上实现。

Dubbox now means Dubbo eXtensions, and it adds features like RESTful remoting, Kyro/FST serialization, etc to the Dubbo service framework.

Ripple peer-to-peer network daemon

Blockchain fabric code

HanLP中文分词solr插件

A/B Testing or publish smart grouping engine

Zipkin is a distributed tracing system

汉语言处理包 中文分词 词性标注 命名实体识别 依存句法分析 关键词提取 自动摘要 短语提取 拼音 简繁转换

58同城数据库中间件

The Spring Framework

BTrace - a safe, dynamic tracing tool for the Java platform

📈 Capturing JVM- and application-level metrics. So you know what's going on.

Runtime code generation for the Java virtual machine.

Asynchronous Http and WebSocket Client library for Java

为监控而生的数据库连接池！

基于Java语言编写的轻量级分库分表(Sharding)中间件，丰富的Sharding算法支持(2类4种分片算法)，能够方便DBA实现库的极速扩容和降低数据迁移成本。Kratos站在巨人的肩膀上(SpringJdbc)，采用与应用集成架构，放弃通用性，只为换取更好的执行性能与降低分布式环境下外围系统的down机风险。

cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept f…

ChinaNet Portal Hacking

An open-source Beijing Unicom Speedbooster