File list (Check if you may need any files):
ReStrutsCalculate\.classpath
.................\.mymetadata
.................\.project
.................\.settings\.jsdtscope
.................\.........\org.eclipse.jdt.core.prefs
.................\.........\org.eclipse.jdt.ui.prefs
.................\.........\org.eclipse.wst.jsdt.ui.superType.container
.................\.........\org.eclipse.wst.jsdt.ui.superType.name
.................\src\.struts.mex
.................\...\com\haiersoft\ch02\action\CalculatorAction.java
.................\...\...\.........\....\biz\Calculator.java
.................\...\struts.xml
.................\WebRoot\index.jsp
.................\.......\input.jsp
.................\.......\META-INF\MANIFEST.MF
.................\.......\show_result.jsp
.................\.......\WEB-INF\classes\.struts.mex
.................\.......\.......\.......\com\haiersoft\ch02\action\CalculatorAction.class
.................\.......\.......\.......\...\.........\....\biz\Calculator.class
.................\.......\.......\.......\struts.xml
.................\.......\.......\lib\commons-fileupload-1.2.2.jar
.................\.......\.......\...\commons-io-2.0.1.jar
.................\.......\.......\...\commons-lang-2.5.jar
.................\.......\.......\...\commons-logging-1.1.1.jar
.................\.......\.......\...\freemarker-2.3.18.jar
.................\.......\.......\...\javassist-3.11.0.GA.jar
.................\.......\.......\...\ognl-3.0.4.jar
.................\.......\.......\...\struts2-core-2.3.1.2.jar
.................\.......\.......\...\xwork-core-2.3.1.2.jar
.................\.......\.......\web.xml
.................\.......\.......\classes\com\haiersoft\ch02\action
.................\.......\.......\.......\...\.........\....\biz
.................\.......\.......\.......\...\.........\ch02
.................\src\com\haiersoft\ch02\action
.................\...\...\.........\....\biz
.................\WebRoot\WEB-INF\classes\com\haiersoft
.................\src\com\haiersoft\ch02
.................\WebRoot\WEB-INF\classes\com
.................\src\com\haiersoft
.................\WebRoot\WEB-INF\classes
.................\.......\.......\lib
.................\src\com
.................\WebRoot\META-INF
.................\.......\WEB-INF
.................\.settings
.................\src
.................\WebRoot
ReStrutsCalculate