这是一个输出英文字母表的jsp程序， 但是为什么在out.print();这里会出错呢
<%@ page contentType="text/html;charset=GB2312" %>
<html>
<body>
<%!
public void num(){
char num1='a';
if(num1<'z'){
out.print(num1+"");
num1++;
}
}
public void num2(){
char num3='A';
if(num3<'Z'){
out.print(num3+"");
num3++;
}
}
%>
<%
num();
num2();
%>
</bdoy>
</html>
<%@ page contentType="text/html;charset=GB2312"%>
<html>
<body>
<%!
public void num(JspWriter sos) throws Exception {
char num1 = 'a';
if (num1 < 'z') {
sos.print(num1 + "");
num1++;
}
}
public void num2(JspWriter sos) throws Exception {
char num3 = 'A';
if (num3 < 'Z') {
sos.print(num3 + "");
num3++;
}
}%>
<%
num(out);
num2(out);
%>
</bdoy>
</html>
<html>
<body>
<%!
public void num(JspWriter sos) throws Exception {
char num1 = 'a';
if (num1 < 'z') {
sos.print(num1 + "");
num1++;
}
}
public void num2(JspWriter sos) throws Exception {
char num3 = 'A';
if (num3 < 'Z') {
sos.print(num3 + "");
num3++;
}
}%>
<%
num(out);
num2(out);
%>
</bdoy>
</html>
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