NSMutableDictionary *dic1 = [[NSMutableDictionary alloc] initWithObjectsAndKeys:@"1",@"one",@"2",@"two", nil];
NSDictionary *dic2 = [[NSDictionary alloc] initWithObjectsAndKeys:@"3",@"three",@"4",@"four", nil];
[dic1 addEntriesFromDictionary:dic2];
***결과
{
four = 4;
one = 1;
three = 3;
two = 2;
}