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Topics#ApexFrage von Miriam Caldwell
Miriam Caldwell (MassMutual) fragte in #Apex
14. Apr. 2021, 17:21

Map Method putAll not concatenating

Hi, 

I'm very new to APEX so please bear with me.  I have 2 different map strings objects and I'm trying to concatenate them using the map method .putAll, however it's replacing instead of concatenating.   

if(aresp.getBody() != null ||  bresp.getBody() != null ){

                Map<String, Object> aretVal;

                Map<String, Object> bretVal;

                if(aresp.getBody() != null)

                {

                    System.Debug('****** raw a Response: ' + aresp.getBody());

                    aretVal = (Map<String, Object>) JSON.deserializeUntyped(aresp.getBody());

                }

                System.Debug('****** aretVal: ' + aretVal.size());

                System.Debug('****** aretVal: ' + aretVal);

                if(bresp.getBody() != null)

                {

                    System.Debug('****** raw b Response: ' + bresp.getBody());

                    bretVal = (Map<String, Object>) JSON.deserializeUntyped(bresp.getBody());

                    System.Debug('****** bretVal: ' + bretVal.size());

                    System.Debug('****** bretVal: ' + bretVal);

                }

                

                if(!bretVal.isEmpty())

                    aretVal.putAll(bretVal);

putAll(sobjectArray)

Adds the list of sObject records to a map declared as Map<ID, sObject> or Map<String, sObject>.
6 Antworten
  1. Shubhi Gupta
    12. Mai 2025, 13:01

     Hi Miriam, 

     If putAll() isn't combining as expected, double-check that both maps are initialized and contain compatible key types. I’ve seen this trip up many early Apex learners. For mapping visuals or grouping, we've found

    Mango Map simplifies many workflows. 

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