Notes
In Apex, the putAll(fromMap)
method is used to add all key-value pairs from one map (fromMap
) to another map. This method is part of the Map
class in Salesforce Apex.
Here's a brief explanation:
Map<String, Object> destinationMap = new Map<String, Object>{
'Key1' => 'Value1',
'Key2' => 'Value2'
};
Map<String, Object> sourceMap = new Map<String, Object>{
'Key3' => 'Value3',
'Key4' => 'Value4'
};
destinationMap.putAll(sourceMap);
System.debug(destinationMap);
Output: {Key1=Value1, Key2=Value2, Key3=Value3, Key4=Value4}
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