I solved that problem. I'll give my code here :)
public class ScheduleAction extends ActionSupport {
private String checkListData;
private List<string> wordList;
public String modifySchedule() {
checkListData = modProcessVO.getCalWeek();
String regex=",";
String[] test=checkListData.split(regex);
wordList = new ArrayList<string>();
for(String str : test)
{
wordList.add(str.trim());
}
return SUCCESS;
}
}
</string></string>
In jsp I'm giving like
<s:checkboxlist list="{'Mon','Tue','Wed','Thur','Fri','Sat','Sun'}" name="modProcessVO.weeklyCal" id="days" value="wordList" xmlns:s="#unknown" />