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Topics#ApexMiriam Caldwell の質問
Miriam Caldwell (MassMutual) が「#Apex」で質問
2021年4月14日 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 件の回答
  1. Shubhi Gupta
    2025年5月12日 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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