How to get RecordType name of an object Salesforce

How to get RecordTypeName of an object in Salesforce.




Step 1:
Declare this like initialization parameter before any loop

Map<ID, Schema.RecordTypeInfo> recordTypeMap = Schema.SObjectType.Case.getRecordTypeInfosById();


Change the object accordingly.


Step 2 : 

Get the  Record type as String like below.

String recordtypeName =  recordTypeMap.get(case.RecordTypeId).getName(); 


Full Example :

class { 

List<Case> caseList = [Select id, name,status from case limit 100];

    List<Case> toUpdate = new List<Case>();

Map<ID, Schema.RecordTypeInfo> recordTypeMap = Schema.SObjectType.Case.getRecordTypeInfosById();
   
    for (Case c : caseList){
        if(recordTypeMap.get(c.RecordTypeId).getName()  ==  '*******'){
            case cxUpdate = new Case();
            cxUpdate.id = c.id;
            cxUpdate.status = 'In Support';
            toUpdate.add(cxUpdate);
        }
        update toUpdate;   
    }
 

}