File list (Check if you may need any files):
ExcelDemo\.classpath
.........\.mymetadata
.........\.project
.........\src\test\CreateExcel.java
.........\...\....\ReadExcel.java
.........\...\....\UpdateExcel.java
.........\test.xls
.........\WebRoot\index.jsp
.........\.......\META-INF\MANIFEST.MF
.........\.......\WEB-INF\classes\test\CreateExcel.class
.........\.......\.......\.......\....\ReadExcel.class
.........\.......\.......\.......\....\UpdateExcel.class
.........\.......\.......\lib\jxl.jar
.........\.......\.......\web.xml
.........\.......\.......\classes\test
.........\.......\.......\classes
.........\.......\.......\lib
.........\src\test
.........\WebRoot\META-INF
.........\.......\WEB-INF
.........\.myeclipse
.........\src
.........\WebRoot
ExcelDemo