Hi, I am getting compile error: Method does not exist or incorrenct signature  for for  mapIdToAccountName.get(objAccount.Id, objAccount.Name) at line 25. Not able to resolve this error. Please help. I am new to Apex programming. Thanks...



01public static void processNewContact(Map<Id, Contact> newContactMap, Map<Id, Contact> oldContactMap)
02{
03    List<Queue__c> lstQ = new List<Queue__c>();   
04    Id idContactCustomerRecType;
05    Map<Id, String> mapIdToAccountName = new Map<Id, String>();
06     
07    // Assuming Developer Name is 'Customer'
08    List<RecordType> lstRecType = new List<RecordType>([SELECT Id FROM RecordType WHEREDeveloperName = 'Customer' AND SobjectType = 'Contact']);
09    if(!lstRecType.isEmpty())
10        idContactCustomerRecType = lstRecType[0].Id;
11         
12    if(idContactCustomerRecType != null)
13    {
14        // we can;t fetch parent fields directly, so collect account Ids first
15        for(Contact objContact : newContactMap.values())
16        {
17            if(objContact.AccountId != null)
18                mapIdToAccountName.put(objContact.AccountId, null);
19        }
20    }
21     
22    // iterate over account with matching collected Ids and fetch names
23    for(Account objAccount : [SELECT Id, Name FROM Account WHERE Id IN : mapIdToAccountName.keySet()])
24    {
25        mapIdToAccountName.get(objAccount.Id, objAccount.Name);
26    }
27     
28    // loop again to perform business logic
29    for(Contact objContact : newContactMap.values())
30    {
31        /* 1. If Contact RecordType is Customer AND if LastName != Account.Name, insert Queue **/
32        if(objContact.RecordTypeId == idContactCustomerRecType && objContact.AccountId != null && objContact.LastName != mapIdToAccountName.get(objContact.AccountId))
33        {
34            Queue__c objQ = new Queue__c();
35            objQ.Object_Name__c='Contact';
36            objQ.Description__c= 'New Contact';
37            objQ.Record_Id__c = objContact.Id;
38            objQ.Notification_Timestamp__c= objContact.CreatedDate;
39            lstQ.add(objQ);
40        }
41             
42    }
43     
44    if(!lstQ.isEmpty())
45        insert lstQ;
46     
47}