linux安装jdk17

下载安装包

cd /usr/local/jdk

wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz -P /usr/local/jdk/
或
wget http://49.232.8.65/jdk/jdk17/jdk-17_linux-x64_bin.tar.gz -P /usr/local/jdk/

解压

tar xf /usr/local/jdk-17_linux-x64_bin.tar.gz -C /usr/local/jdk/

配置环境变量

vim /etc/profile　　#末尾添加如下位置
export JAVA_HOME=/home/jdk17/jdk-17.0.1
export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
export PATH=$JAVA_HOME/bin:$PATH

或

#JAVA
export JAVA_HOME=/usr/local/jdk/jdk-17.0.1
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=.:${JAVA_HOME}/bin:$PATH

重新加载配置文件

source /etc/profile 

验证

java
javac
java -version