How to add two NSDictionaries in Swift...

   The below code is an example of adding two dictionaries,

    

    var dict1 = ["One": "1","Two": "2","Three": "3","Four": "4"]

    let dict2 = ["Five": "5","Six": "6","Seven": "7","Eight": "8"]

    dict2.forEach { (k,v) in dict1[k] = v }

    print("Combined dictionary ===> ",dict1)

    

    And the Result is,

    

Result: Combined dictionary ===>  ["Two": "2", "Five": "5", "Three": "3", "Four": "4", "Six": "6", "One": "1", "Eight": "8", "Seven": "7"]

How to add two NSDictionaries into NSMutableDictionary Objective C...

The below code is an example of Adding Two Dictionaries into a Single mutableDictionary ,

  NSDictionary *dict1= [NSDictionary dictionaryWithObjectsAndKeys:@"1",@"One",@"2",@"Two",@"3",@"Three",@"4",@"Four", nil];

    NSDictionary *dict2 = [NSDictionary dictionaryWithObjectsAndKeys:@"5",@"Five",@"6",@"Six",@"7",@"Seven",@"8",@"Eight",nil];

    NSMutableDictionary *dictMerged  = [NSMutableDictionary dictionaryWithDictionary: dict1];

    [dictMerged addEntriesFromDictionary: dict2];

    

    NSLog(@"dictMerged===> %@",dictMerged);

/*

 Result: dictMerged===> {

Eight = 8;

Five = 5;

Four = 4;

One = 1;

Seven = 7;

Six = 6;

Three = 3;

Two = 2;

}

 */