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(Go) Understanding JSON Array vs JSON ObjectThis example explains the difference between a JSON Array and a JSON Object. A JSON Array begins with "[" and ends with "]", whereas a JSON Object begins with "{" and ends with "}". Elements contained in a JSON array are accessed by index, whereas elements in a JSON object are typically accessed by name (but can also be accessed by index).
// A JSON array should be loaded into a Chilkat JSON array, // whereas a JSON object should be loaded into a Chilkat JSON object. // A JSON array may contain objects, and a JSON object may contains arrays, but // it is the top-level (outermost) element that defines whether the JSON // document is an array or an object. // An array begins and ends with "[" ... "]" // An object begins and ends with "{" ... "}" // For example, an array containing 2 objects: strJsonArray := "[ { \"name\": \"Bill\" }, { \"name\": \"Ted\" } ]" // Load it into a JSON array. jsonA := chilkat.NewJsonArray() success := jsonA.Load(strJsonArray) fmt.Println("number of array elements: ", jsonA.Size()) // This is an object containing an array: strJsonObj := "{ \"characters\": [ \"Bill\", \"Ted\" ] }" // Load it into a JSON object. jsonO := chilkat.NewJsonObject() success = jsonO.Load(strJsonObj) fmt.Println("number of object members: ", jsonO.Size()) jsonA.DisposeJsonArray() jsonO.DisposeJsonObject() |
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