解决问题立即给分，从没有食言过！

Question

StringTokenizer st=new StringTokenizer("1/15/2002","/");
String s=st.nextToken();
s+="-";  
s+=st.nextToken();
s=st.nextToken()+"-"+s;

Answer 1

但是jsp网页中有如下错误：
org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred between lines: 6 and 31 in the jsp file: /htmltask/pdm_taskinsert.jspGenerated servlet error:
D:\MyThesis\PDM\Tomcat\work\WebApp\htmltask\pdm_0005ftaskinsert$jsp.java:120: Class org.apache.jsp.StringTokenizer not found.
                    StringTokenizer st=new StringTokenizer("1/15/2002","/");
                    ^
An error occurred between lines: 6 and 31 in the jsp file: /htmltask/pdm_taskinsert.jspGenerated servlet error:
D:\MyThesis\PDM\Tomcat\work\WebApp\htmltask\pdm_0005ftaskinsert$jsp.java:120: Class org.apache.jsp.StringTokenizer not found.
                    StringTokenizer st=new StringTokenizer("1/15/2002","/");

Answer 2

有没有import  java.util.*;？
另外你还可以直接用String.split

Answer 3

楼主加忘了引入工具包了。
加上这一句
<%@ page import="java.util.*"%>