File list (Check if you may need any files):
TPStruts
........\correct.jsp
........\incorrect.jsp
........\operation.jsp
........\WEB-INF
........\.......\classes
........\.......\.......\isi
........\.......\.......\...\Calcul.class
........\.......\.......\struts.xml
........\.......\lib
........\.......\...\commons-logging-1.0.4.jar
........\.......\...\freemarker-2.3.8.jar
........\.......\...\mysql-connector-java-5.1.7-bin.jar
........\.......\...\ognl-2.6.11.jar
........\.......\...\struts2-core-2.0.11.2.jar
........\.......\...\xwork-2.0.5.jar
........\.......\src
........\.......\...\Calcul.java
........\.......\web.xml