Objective-C: How to create an NSArray Object in standard way and collection literal way?

NSArray is part of the collections in Objective-C. It allows retrieving an object by using an index from an Array. NSArray can also be represented using collection literal in Objective-C.

Let’s look at how to create an NSArray in Objective-C,

• The standard way to create an NSArray,

NSArray *standardWay = [NSArray arrayWithObjects: @"hello", @"world", nil];

• The collection literal way to create an NSArray,

NSArray *collectionLiteralWay = @[@"hello", @"world"];

Let’s look at how to access an object from NSArray in Objective-C,

• The standard way to access an object in NSArray,

[standardWay objectAtIndex:0];
// output is
// hello

• The collection literal way to access an object in NSArray,

collectionLiteralWay[0];
// output is
// hello

Note: The index in an array starts at 0.

I hope my article helps you understand how to create an NSArray object in Objective-C.

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