以debian为例 debian下载jdk:https://download.oracle.com/otn-pub/java/jdk/13.0.2+8/d4173c853231432d94f001e99d882ca7/jdk-13.0.2_linux-x64_bin.deb
其他系统:https://www.oracle.com/java/technologies/javase-jdk13-downloads.html 解压:下载完成后,在下载目录打开终端,直接运行命令sudo dpkg -i jdk-13.0.2_linux-x64_bin.deb进行安装(具体名称看你下载的安装包)
whereis jvm
cd /usr/lib/jvm
sudo vim /etc/profile
添加环境变量,其中JAVA_HOME为jvm的位置
export JAVA_HOME=/usr/lib/jvm/jdk-13.0.2
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
对于这些配置的解释:https://www.cnblogs.com/samcn/archive/2011/03/16/1986248.html
source /etc/profile
检查java是否安装好
java -version
下载安装与root相同:
vim ~/.bashrc
配置环境变量
export JAVA_HOME="/usr/lib/jvm/jdk-13.0.2"
export JRE_HOME=${JAVA_HOME}/jre
export PATH=${JAVA_HOME}/bin:$PATH
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export LD_LIBRARY_PATH=/usr/lib/jvm/jdk13.0.2/lib/server:$LD_LIBRARY_PATH
source ~/.bashrc
java -version
如果因为重装Java导致rJava package 安装问题,可以参考https://www.itranslater.com/qa/details/2325759177198666752
conda create -n java8
conda activate java8
conda install openjdk=8.0.152
##查看java版本
java -version
检查javac的反应
javac
可参考:https://blog.csdn.net/xiaochuige/article/details/47421691
conda install -c r r-rjava
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参考: https://blog.csdn.net/Douz_lungfish/article/details/103232715 https://linux265.com/news/3369.html#list0 https://blog.csdn.net/qq_33432559/article/details/77222502 https://stackoom.com/question/30D0j/%E6%9C%80%E8%BF%91%E6%9B%B4%E6%96%B0%E7%9A%84R-RStudio-%E6%97%A0%E6%B3%95%E5%8A%A0%E8%BD%BDrJava https://www.jianshu.com/p/c5cf7cf9649e