1、下载jdk
https://mirrors.huaweicloud.com/java/jdk/
2、在线解析二维码
http://cdn.malu.me/qrdecode/
3、Properties和Yaml格式互转
https://www.toyaml.com/index.html
4、生成banner
https://devops.datenkollektiv.de/banner.txt/index.html
5、二维码生成器
http://qrcode.cnaidc.com/
6、获取maven库坐标
https://mvnrepository.com
7、unicode中文互转
https://www.bejson.com/convert/unicode_chinese/
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