Combine Two NSMutableArray In Objective c

Question

I have Two NSMutableArray Array I want to combine this array in to old one array.

How can i do this without any loop (for, while).

         NSMutableArray *oldArray = [[NSMutableArray alloc]init];
         [oldArray addObject:@"four"];
         [oldArray addObject:@"five"];
         [oldArray addObject:@"six"];

         NSMutableArray *newArray = [[NSMutableArray alloc]init];
         [newArray addObject:@"one"];
         [newArray addObject:@"two"];
         [newArray addObject:@"three"];

After Combine I want output like this :

         NSLog(@"After Combine : %@",oldArray);
         //Output : one, two, three, four, five, six

Willeke · Accepted Answer · 2020-08-02 13:15:55Z

1

Insert newArray in oldArray:

[oldArray insertObjects:newArray atIndexes:[[NSIndexSet alloc] initWithIndexesInRange:NSMakeRange(0, newArray.count)]]

answered Aug 2, 2020 at 13:15

Willeke

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1 Comment

sohil Over a year ago

Its Working Bro. Thanks @willeke

Jawad Ali · Accepted Answer · 2020-08-02 10:24:39Z

0

You can use addObjectesFromArray to get results

 [oldArray addObjectsFromArray: newArray];

edited Aug 2, 2020 at 10:24

answered Aug 2, 2020 at 10:12

Jawad Ali

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2 Comments

Willeke Over a year ago

addObjectsFromArray adds the objects in oldArray to newArray and returns void.

Willeke Over a year ago

Now the order is four, five, six, one, two, three.

Ol Sen · Accepted Answer · 2020-08-02 12:49:56Z

0

This should do it.

newArray = [[newArray arrayByAddingObjectsFromArray:oldArray] mutableCopy];

for (NSString *str in newArray) {
    NSLog(@"%@", str);
}

output: [one,two,three,four,five,six]

wait, thats was copying into the new one.. :)

 oldArray = [[newArray arrayByAddingObjectsFromArray:oldArray] mutableCopy];

output: [one,two,three,four,five,six]

hahaha, possibly with the side effect that newArray is NSArray and has same content.
Check? Oh. newArray is still [one,two,three].

edited Aug 2, 2020 at 12:49

answered Aug 2, 2020 at 12:42

Ol Sen

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