Linux之安装Java环境

下载地址：

Java Archive Downloads - Java SE 8u211 and laterhttps://www.oracle.com/java/technologies/javase/javase8u211-later-archive-downloads.htmlJava Archive Downloads - Java SE 8u211 and laterJava Archive Downloads - Java SE 8u211 and later

操作命令：

 cd local

rz

tar -zxvf jdk-8u291-linux-x64.tar.gz

cd jdk1.8.0_291/

pwd

vim /etc/profile

export JAVA_HOME=/usr/local/jdk1.8.0_291
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=${JAVA_PATH}:$PATH

source /etc/profile

[root@fedora jdk1.8.0_291]# java -version
java version "1.8.0_291"
Java(TM) SE Runtime Environment (build 1.8.0_291-b10)
Java HotSpot(TM) 64-Bit Server VM (build 25.291-b10, mixed mode)

java17版本：

export JAVA_PATH=$PATH:/www/server/java/jdk-17.0.8/bin
export JAVA_HOME=/www/server/java/jdk-17.0.8
export PATH=$JAVA_HOME/bin:$PATH