一旦你遵循Section 3.2, “创建一个简单的项目”使用Maven
Archetype插件创建了一个项目，你会希望构建并打包这个应用。想要构建打包这个应用，在包含pom.xml的目录下运行mvn
install。
$ mvn install
[INFO] Scanning for projects...
[INFO] ----------------------------------------------------------------------------
[INFO] Building simple
[INFO] task-segment: [install]
[INFO] ----------------------------------------------------------------------------
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] Compiling 1 source file to /simple/target/classes
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] Compiling 1 source file to /simple/target/test-classes
[INFO] [surefire:test]
[INFO] Surefire report directory: /simple/target/surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.sonatype.mavenbook.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.105 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] [jar:jar]
[INFO] Building jar: /simple/target/simple-1.0-SNAPSHOT.jar
[INFO] [install:install]
[INFO] Installing /simple/target/simple-1.0-SNAPSHOT.jar to \
~/.m2/repository/org/sonatype/mavenbook/ch03/simple/1.0-SNAPSHOT/ \
simple-1.0-SNAPSHOT.jar
你已经创建了，编译了，测试了，打包了，并且安装了(installed)最简单的Maven项目。在命令行运行它以向你自己验证这个程序能工作。
$ java -cp target/simple-1.0-SNAPSHOT.jar org.sonatype.mavenbook.App
Hello World!
