环境搭建
安装Java 8 JDK
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install oracle-java8-jdk
确保已安装Java 8
java -version
树莓派安装Blynk服务器端
2021-05-24
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install oracle-java8-jdk
java -version