linux（CentOS 7）下安装JDK,tomcat，eclipse
1.安装JDK//下载地址链接: https://pan.baidu.com/s/1bps4cFH 密码: bndu//1.解压tar -xvzf jdk-7u79-linux-x64.tar.gz//2.配置环境# vim /etc/profile//在最后一行输入JAVA_HOME=/usr/local/jdk/jdk1.7.0_79JRE_HOME=/usr/local/java/
