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The JavaScript JSON Cookbook
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JSONObject
also supports setter methods to initialize data in a JSON map. With these methods, you can assign data to a JSON object and then get the JSON representation by invoking its toString
method.
Here's a simple example:
import org.JSON.JSONObject; JSONObject data = new JSONObject(); data.put("call", "kf6gpe-7"); data.put("lat", 37.40150); data.put("lng", -122.03683); String json = data.toString();
The polymorphic put method can take an integer, long integer, object, Boolean, or double, assigning the slot you name the value you specify.
The JSONObject
class defines the toString
method, which takes an optional number of spaces to indent nested structures for pretty-printed JSON. If you don't pass this indent, or pass 0, the implementation encodes the JSON in as compact a manner as possible.
There's also the putOpt
method, which takes any subclass of Object
, and puts the value to the name if both the name and value are non...
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