wsl安装jdk

JDK下载链接

https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

JDK加密限制策略文件下载链接（可省略）

https://www.oracle.com/technetwork/java/javase/downloads/jce-all-download-5170447.html

解压tar.gz文件

tar -xzvf jdk-*.tar.gz

移动解压文件

rm -fr jdk-*.tar.gz
mk the jvm dir
sudo mkdir -p /usr/lib/jvm
move the server jre
sudo mv jdk1.8* /usr/lib/jvm/oracle_jdk8

解压jce_policy，并安装(可省略)

unzip jce_policy-8.zip
mv UnlimitedJCEPolicyJDK8/local_policy.jar /usr/lib/jvm/oracle_jdk8/jre/lib/security/
mv UnlimitedJCEPolicyJDK8/US_export_policy.jar /usr/lib/jvm/oracle_jdk8/jre/lib/security/
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/oracle_jdk8/jre/bin/java 2000
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/oracle_jdk8/bin/javac 2000

配置jav home

vi ~/.profile

增加以下内容

export JAVA_HOME=/usr/lib/jvm/oracle_jdk8

重新加载配置文件

source ~/.profile

测试下

java --version