CentOS7安装jdk7

1. 如果没有安装wget,先安装,安装方法如下:

 yum -y install wget

2.下载jdk7,此链接为32位,如果出现Unable to establish SSL connection的话,在wget后面加上-no-check-certificate即可

wget --no-cookie --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.rpm

3.安装jdk

rpm -ivh jdk-7u79-linux-x64.rpm

4.配置profile文件

vi /etc/profile
将如下内容添加到profile文件末尾并保持
export JAVA_HOME=/usr/java/jdk1.7.0_79
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export PATH=$PATH:$JAVA_HOME/bin

5.查看jdk是否安装成功

java -version

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转载自blog.csdn.net/zhldt2008/article/details/52658724