1. 切换到目录 /usr/local/src

cd /usr/local/src

2. 下载压缩包

wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz

3. 解压

tar -zxvf jdk-17_linux-x64_bin.tar.gz

4. 添加环境变量

vim /etc/profile

5. 重加载环境变量

export JAVA_HOME=/usr/local/usr/jdk-17.0.11
export PATH=$PATH:$JAVA_HOME/bin;
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar;

jdk-17.0.11即下载的jdk所在的哪个目录名
6. 测试

java -version