<%@ 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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