CentOS7安装JAVA
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安装JAVA准备
检查是否安装JDK、JRE
rpm -qa|grep -E 'jdk|jre'
卸载已安装JDK、JRE
源码安装JDK+JRE
命令行下载JDK
cd /root wget -c https://note.so1234.top/linux/jdk-8u271-linux-x64.tar.gz tar -xf /root/jdk-8u271-linux-x64.tar.gz mv /root/jdk1.8.0_271 /usr/local/jdk
解压并配置环境变量
vim /etc/profile export JAVA_HOME=/usr/local/jdk export JRE_HOME=$JAVA_HOME/jre export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin ESC :wq source /etc/profile
检查安装是否成功
java -version java version "1.8.0_101" Java(TM) SE Runtime Environment (build 1.8.0_101-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)
安装maven
下载解压并安装
cd /root wget http://mirrors.hust.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz tar -xf apache-maven-3.6.3-bin.tar.gz mv /root/apache-maven-3.6.3 /usr/local/maven3
修改环境变量
vim /etc/profile export PATH=$PATH:/usr/local/maven3/bin ESC :wq source /etc/profile
验证安装是否成功
mvn -v
JAVA下载大全
JAVA jdk8
- Linux ARM 32 Hard Float ABI
- Solaris x64 (SVR4 package)
- Solaris SPARC 64-bit
- Solaris SPARC 64-bit (SVR4 package)