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title: CentOS JDK 11 Installation tags: [“CenotOS”, “JDK11”,“cicd”] date: 2022-05-01 draft: false

CentOS JDK 11 Installation

1、下载

JDK11Download地址：https://www.oracle.com/java/technologies/javase/jdk11-archive-downloads.html

2、路径

CreatejdkInstallationFile夹

mkdir /usr/local/java

3、安装

进入Download的jdk所在Directory，ExecuteInstallationCommand。

tar -zxvf jdk-11.0.10_linux-x64_bin.tar.gz -C /usr/local/java/

4、环境配置

修改系统环境File/etc/profile，在最后加上java环境变量Configuration信息。

export JAVA_HOME=/usr/local/java/jdk-11.0.10
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

5、连接

Create软连接

ln -s /usr/local/java/jdk-11.0.10/bin/java /usr/bin/java

6、验证

java -version

输出结果：

java version "11.0.10" 2021-01-19 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.10+8-LTS-162)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.10+8-LTS-162, mixed mode)

mkdir /usr/local/java

tar -zxvf jdk-11.0.10_linux-x64_bin.tar.gz -C /usr/local/java/

export JAVA_HOME=/usr/local/java/jdk-11.0.10
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

ln -s /usr/local/java/jdk-11.0.10/bin/java /usr/bin/java

java -version

java version "11.0.10" 2021-01-19 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.10+8-LTS-162)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.10+8-LTS-162, mixed mode)