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安装JDK
JDK8
安装
yum list java*
yum install -y java-1.8.0-openjdk.x86_64
设置环境变量(JAVA_HOME)
vi /etc/profile
-------------------------------
# 注意版本路径可能不一致
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.412.b08-1.el7_9.x86_64/jre
export PATH=$JAVA_HOME/bin:$PATH
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source /etc/profile
java -version
JDK11
安装
yum list java*
yum install java-11-openjdk.x86_64
设置环境变量(JAVA_HOME)
vi /etc/profile
-------------------------------
# 注意版本路径可能不一致
export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-11.0.23.0.9-2.el7_9.x86_64
export PATH=$JAVA_HOME/bin:$PATH
-------------------------------
source /etc/profile
java -version
JDK17
centos7.9 yum安装不了jdk17,使用二进制包安装
wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz
tar zxf jdk-17_linux-x64_bin.tar.gz
rm -rf jdk-17_linux-x64_bin.tar.gz
mv jdk-17.0.8 jdk-17
mv jdk-17 /usr/local/
vi /etc/profile
-------------------------------
export JAVA_HOME=/usr/local/jdk-17
export PATH=$JAVA_HOME/bin:$PATH
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source /etc/profile
java -version
附:yum卸载jdk