Java开发环境，java开发

Java开发环境，java开发

查看Java版本 

java -version
java version "1.8.0_73"
Java(TM) SE Runtime Environment (build 1.8.0_73-b02)
//1.8.0版第73次更新beta第二次测试
Java HotSpot(TM) 64-Bit Server VM (build 25.73-b02, mixed mode)

maven历史版本下载

http://archive.apache.org/dist/maven/

maven的阿里云镜像配置文件 放在<mirros>节点的尾端

<mirror>
<id>alimaven</id>
<name>aliyun  maven</name>
<url>http://maven.aliyun . com/nexus/content/groups/public/</url>
<mirrorOf>central</mirrorOf>
</mirror>