1 安装jdk11
wget https://repo.huaweicloud.com/java/jdk/11.0.2+9/jdk-11.0.2_linux-x64_bin.tar.gz
tar -zxvf jdk-11.0.2_linux-x64_bin.tar.gz -C /usr/local
sudo vi /etc/profile
添加
export JAVA_HOME=/usr/local/jdk-11.0.2
export PATH=$PATH:$JAVA_HOME/bin
export PATH=$PATH:/usr/local/bin
然后esc :wq回车保存
source /etc/profile
java -version
jad安装
wget https://varaneckas.com/jad/jad158e.linux.static.zip
unzip jad158e.linux.static.zip
sudo mv jad /usr/local/bin
sudo chmod +x /usr/local/bin/jad
jad -v