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Jun 7, 2012 · Exception in thread 'main' java.lang.ClassCastException: org.json.simple.JSONArray cannot be cast to org.json.simple.JSONObject at javaapplication1.JavaApplication1.main (JavaApplication1.java:24) Can somebody tell me what I am doing wrong? The whole file is a array and there are objects and another array (cars) in the whole array of the file.
Dec 20, 2010 · I need to convert a certain JSON string to a Java object. I am using Jackson for JSON handling. I have no control over the input JSON (I read from a web service). This is my input JSON: {'wrapper'...
What is the preferred method for returning null values in JSON? Is there a different preference for primitives? For example, if my object on the server has an Integer called "myCount" wit...
json dump will write the json as string in the file. How can I get a json file that is not in the form of string, but just dictionary-like? Is it possible?
I have saved a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file: {'resource':'A','literal...
Oct 17, 2012 · jq . some.json and you get colors as a bonus (and way easier extendability). Addendum: There is some confusion in the comments about using jq to process large JSON files on the one hand, and having a very large jq program on the other. For pretty-printing a file consisting of a single large JSON entity, the practical limitation is RAM.
May 11, 2013 · Here I'm creating a JavaScript object and converting it to a JSON string, but JSON.stringify returns ' [object Object]' in this case, instead of displaying the contents of the object.
Mar 26, 2014 · If you only work with the JSON representation in your application, PostgreSQL is only used to store & retrieve this representation, you should use json. If you do a lot of operations on the JSON value in PostgreSQL, or use indexing on some JSON field, you should use jsonb.
Yes. The JSON format has a lot of dead-space between elements and is space-insensitive in those regions, so there's no reason why you can't have single or multi-line comments there. Many parsers and minifiers support JSON comments as well, so just make sure your parser supports them.
The JSON data is an object (basically an associative array). Indexed arrays use square brackets, [0,1,2], while associative arrays use curly braces, {x:1,y:2,z:3}. Any of the data within the outermost object can be either type of array, but the outermost object itself has to use curly braces.
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