Linux下安装JDK9(在华为云下载)

1.去镜像网站下载jdk(这里是去华为云下载的)

cd /usr/local

wget https://repo.huaweicloud.com/java/jdk/9.0.1+11/jdk-9.0.1_linux-x64_bin.tar.gz

2. 解压

tar -zxvf jdk-9.0.1_linux-x64_bin.tar.gz

3.配置JAVA_HOME:

vi /etc/profile

内容如下:

export JAVA_HOME=/usr/local/jdk-9.0.1

export JRE_HOME=/usr/local/jdk-9.0.1/jre

export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JRE_HOME/lib

export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

4.使修改生效:

source /etc/profile

5.验证是否安装成功:

java -version

成功!

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