Download Java 13 login required
https://www.oracle.com/technetwork/java/javase/downloads/jdk13-downloads-5672538.html
installation
https://www.cnblogs.com/shirley-0021/p/8510051.html
elasticsearch
Download https://www.elastic.co/cn/downloads/elasticsearch
installation
https://www.elastic.co/guide/cn/elasticsearch/guide/cn/running-elasticsearch.html
https://www.cnblogs.com/Alandre/p/11386178.html
curl
https://blog.csdn.net/qq_37958578/article/details/79973265