Java EE 在网页输出九九乘法表、三角形、菱形

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>

</head>
<body>
<h3>九九乘法表</h3>
<hr>
<%

    for(int a = 1; a <= 9; a++ )
    {
        for(int b = 1; b <= a; b++ )
        {
            out.println(a +"*"+ b +"="+a*b+"    &nbsp&nbsp") ;  //制表符
        }
%>
            <br>
<% 
    }
%>

<h3>三角形</h3>
<hr>
<%
    for(int a = 1; a <= 9; a++ )
    {
        for(int b = 1; b <= a; b++ )
        {
                out.println("*"+"&nbsp&nbsp") ;
        }
%>
<br>
<% 
}
%>
<h3>菱形</h3>
<hr>
<% 
 for(int i = 0; i < 9; i++) 
        { 
            for(int x = i + 1; x < 9; x++) 
            { 
                out.println("&nbsp&nbsp"); 
            } 
            for(int y = 0; y < (i + 1) * 2 - 1; y++) 
            { 
                out.println("#"); 
            } 
            out.print("<br>"); 
        } 
        for(int i = 0; i < 9; i++) 
        { 
            for(int x = 0; x < i; x++) 
            { 
                out.println("&nbsp&nbsp"); 
            } 
            for(int y = i; y < 2 * 9 - i - 1; y++) 
            { 
                   out.println("#"); 
            } 
            out.print("<br>"); 
        } 
%>
</body>
</html>