I have an exceptional case. My json contains key with a space in it. Since the json is provided by a third party and used widely,i cannot change the incoming json. How can i de-serialize this? Example is below

Assume i have a class like below..

class b{
    Integer a;

How can i structure the above class to deserialize the below json. ?

System.debug(Json.deserialize('{"a b":1}', b.class));

If you use the deserializeUntyped() method you could get the JSON string converted into a map<String,Object>, and then get the property value with that string key.

Map<String,Object> apexmap = (Map<String, Object>) JSON.deserializeUntyped('{"a b":1}');

system.debug(apexmap.get('a b'));

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