1.下载地址（百度云地址见末尾）
官方下载地址，目前最新为jdk13
https://www.oracle.com/java/technologies/javase-downloads.html
jdk13地址
https://www.oracle.com/java/technologies/javase-jdk13-downloads.html
jdk11地址
https://www.oracle.com/java/technologies/javase-jdk11-downloads.html
jdk8的地址
https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
2.因为网络问题，经常打不开或者下载中断，很费时间，我给大家下载好了见链接
链接：https://pan.baidu.com/s/1fgITPcCE5-5jyZ9gIHO2IA
提取码：iqgw
如遇连接失效请私信我，或者加我微信kfyjtz
