(Ruby) Understanding JSON Array vs JSON Object

This 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).

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# 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::CkJsonArray.new()
success = jsonA.Load(strJsonArray)
print "number of array elements: " + jsonA.get_Size().to_s() + "\n";

# This is an object containing an array:
strJsonObj = "{ \"characters\": [ \"Bill\", \"Ted\" ] }"

# Load it into a JSON object.
jsonO = Chilkat::CkJsonObject.new()
success = jsonO.Load(strJsonObj)
print "number of object members: " + jsonO.get_Size().to_s() + "\n";