java - Sending Map<String,List<String>> as request parameter through ajax -


i want send map through ajax request getting 400 bad request. data like. 

var idss1 = []; var idss2 = []; var idss3 = []; var idss4 = []; var idss5 = [];       map[id_1] = idss1;     map[id_2] = idss2;     map[id_3] = idss3;     map[id_4] = idss4;     map[id_5] = idss5;

wehre keys (id_*) string

ajax call 

$.ajax({         type:"post",         url: myurl,         datatype: "text",         data : {allids : map},         success: function(response) {...}

at server side method signature 

public void mymethod(httpservletrequest request, @requestparam("allids") map<string, list<string>> ids) { ... }

kindly me, shall thankful.

1) should never have variables names in program difference number. arrays for. names of elements in array myarr[0], myarr[1], etc.

2) in java, can what's called 'serializing' object. serializing converts object string, , string can sent in ajax request, , string can unserialized in servlet create object string.

serialization string: how binary (de)serialize object into/form string?


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