Getting Null pointer Exception in the jsp page

Getting Null pointer Exception in the jsp page

I have developed this jsp page to store the data in database.While storing the value of check box in database I am getting null pointer exception in the following code.

psSelect.setString(10,request.getParameter("maritalstatus"));
String languages="";

String lang[]=request.getParameterValues("lang");
for(int i=0;i<lang.length;i++){
    languages+=lang[i]+" ";
}

psSelect.setString(11,request.getParameter("lang"));
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Getting Null pointer Exception in the jsp page  I have developed this jsp page to store the data in database.While storing the value of check box in database I am getting null pointer exception in the following code
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