在CentOS7/RHEL7上安装Java17(OpenJDK17)_mozart

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在CentOS7/RHEL7上安装Java17(OpenJDK17)

(2023-10-25 13:46:54)

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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