Json with java hashmap

Question

I have hashmap object,

Map testData=new HashMap();
testData.put("test","test1");

I am able to convert this map using json file with Gson library. I know how to get that data using jQuery getJSON.

My question is: how to display both key and value pairs?

Are you asking how to convert a Map to JSON, so you can pass it to jQuery? — Brian Clapper
– Brian Clapper, Commented Mar 10, 2011 at 15:34
Could you please provide more detail? Do you have the http connection between server and client already in place? — Tim Büthe
– Tim Büthe, Commented Mar 10, 2011 at 15:47
Ah, I think I understand. Are you asking how to print both the key and the value from each entry to an HTML page using jQuery? — Chris Thompson
– Chris Thompson, Commented Mar 10, 2011 at 17:03
@Chris:Yes,i know with using .each we can display.i dont have any item to iterate to display. — rajputhch
– rajputhch, Commented Mar 10, 2011 at 17:13

Tim Büthe · Accepted Answer · 2014-11-25 08:28:50Z

3

What about using gson on the server side, and use jQuery's .getJSON on the client-side?

EDIT: added a for-each example according to your changed question, try it here: http://jsfiddle.net/5gEYf/

var response =  {"test": "test1"};
$.each(response, function(key, value) { 
    alert(key + ' -> ' + value); 
});

EDIT:

I stumbled upon this two year old answer of mine, and like to add that I would use Jackson for JSON de- / serialization in Java nowadays.

answered Mar 10, 2011 at 15:33

Tim Büthe

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1 Comment

There's also Douglas Crockford's reference Java implementation. See json.org/java and github.com/douglascrockford/JSON-java