Swift Array append()

The append() method adds a new element at the end of the array.


var city = ["Boston", "Tokyo", "Kathmandu"]

// add "London" to the city array city.append("London")
print(city) // Output: [ "Boston", "Tokyo", "Kathmandu", "London" ]

append() Syntax

The syntax of the array append() method is:


Here, array is an object of the Array class.

append() Parameters

The append() method takes a single parameter:

  • newElement - element to be added to array

append() Return Value

The append() method doesn't return any value. It only updates the current array.

Example 1: Swift Array append()

var languages = ["Swift", "C", "Java"]

// add "C++" to the languages array languages.append("C++")
print(languages) var priceList = [12, 21, 35]
// add 44 to the priceList array priceList.append(44)


["Swift", "C", "Java", "C++"]
[12, 21, 35, 44]

Example 2: Adding One Array To Another Array

//  animals array
var animals = ["cat", "dog"]

// array of wild animals
var wildAnimals = ["tiger", "fox"]

// appending wildAnimals array to animals animals.append(contentsOf: wildAnimals)


["cat", "dog", "tiger", "fox"]

In the above example, we have used the append() method and contentsOf property to append the elements of wildAnmals to animals.

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