<%@ page contentType="text/html; charset=gb2312" %>
<%@ page import="java.util.*" %>
<%
String s="this is a student.";
int startPoistion=1;
int endPoistion=7;
char pointChars[]=new char[endPoistion-startPoistion];
s.getChars(startPoistion,endPoistion,pointChars,0);
out.println(pointChars);
%>
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