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在CentOS7/RHEL7上安装Java17(OpenJDK17)

2023-10-25 13:46阅读:
https://computingforgeeks.com/install-java-openjdk-17-on-centos-rhel-7/
sudo yum -y update


sudo yum -y install wget vim


wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.rpm
sudo yum -y install ./jdk-17_linux-x64_bin.rpm


默认情况下,Java 主目录是/usr/lib/jvm/jre-openjdk/


[root@localhost ~] vi /etc/profile
#export JAVA_HOME=/usr/java/jdk1.7.0_80
export JAVA_HOME=/usr/java/jdk1.8.0_212
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
使环境变量生效
source /etc/profile
再查看当前java版本
java -version
echo $JAVA_HOME


alternatives --config java

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