<%@ 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> <% String a=""; int n=7; for(int i=1;i<=n;i++) { for(int j=1;j<=n-i;j++) { a+="  "; } for(int k=1;k<=2*i-1;k++) { a+="*"; } a+="<br>"; } %> <%=a %> </body> </html>