How to send a javascript array to the Servlet

I have an application where i am getting some values in the console in the form of a javascript array.now i want to send the values to the servlet.My javascript array look like this ..

0.Java
1.Perl
2.C#

This values i am getting in the console.i have to send those values to the Servlet.But i can not do that.I am able to send multiple values to the Servlet,but dont know how to send array of javascript.The way i send multiple values to the Servlet is

 $.ajax({
        url: "AccountServlet",
        type: "post",

        dataType: "json",
        data: { subject1:java,subject2:perl..etc},
        error:function(){
            //alert("error occured!!!");
        },
        success:function(data){
            alert(data.fullName + "\n" + data.mobileNo);
        }
     });

and in the Servlet i catch them

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    String sub1=request.getParameter("subject1");
            String sub2=request.getParameter("subject2);
    ;

Like this but can anyone help me how to store array of javascript here. }

Copyright Notice：Content Author:「lucifer」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/20390835/how-to-send-a-javascript-array-to-the-servlet