String literal is not properly closed by a double-quote
<%@page language="java" contentType="text/html;charset=GB2312"%>
<html>
<body>
<% if(reqest.getParameter("number")!=NULL&&request.getParamter("number")!=" ")
{
     int nub=Integer.parseInt(request.getParameter("number"));
     int c=((Integer)session.getAttribute("count")).intValue();
     int a=((Integer)session.getAttribute("num")).intValue();
     if(nub>a)
     {
         c++;
         String s=String.valueof(c);
         session.setAttribute("count",s);
         response.sendRedirect("1.html");
      }  
     if(nub=a)
     {          
         out.println("恭喜你猜对了,答案是"+a);
         out.ptintln("你共用了 "+c+"次);
      }
     else
     {
         c++;
         String s=String.valueof(c);
         session.setAttribute("count",s);
         response.sendRedirect("2.html");
      }  
}    
%>
</body>
</html>
运行时时候就出现这个错误
An error occurred at line: 4 in the jsp file: /check.jsp
Generated servlet error:
String literal is not properly closed by a double-quote
	org.apache.jasper.servlet.JspServletWrapper.handle
JspException(JspServletWrapper.java:512)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 4 in the jsp file: /check.jsp
Generated servlet error:
String literal is not properly closed by a double-quote
	org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
	org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
	org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:414)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:297)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
哪位帮我看看啊
------解决方案--------------------
我帮你修改了代码了 错误不少啊
你复制我给你修改后的代码吧
HTML code
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<html>
<body>
<% 
int nub=0;
int a=0;
int c=0;
if(request.getParameter("number")!=null&&request.getParameter("number")!=" ")
{
  nub=Integer.parseInt(request.getParameter("number"));
  c=((Integer)session.getAttribute("count")).intValue();
  a=((Integer)session.getAttribute("num")).intValue();
  if(nub>a)
  {
  c++;
  String s=String.valueOf(c);
  session.setAttribute("count",s);
  response.sendRedirect(