ubuntu下jdk17安装

## jdk 17 安装

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

2. tar xf jdk-17_linux-x64_bin.tar.gz

3. mv jdk-17.0.8/ /usr/lib/jvm

4. sudo vi /etc/profile

    #### 添加以下内容

    “`

    export JAVA_HOME=/usr/lib/jvm

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

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

    “`

5. source /etc/profile

6. java -version