Find maximum and minimum elements in an array in Swift with example| Dictionary

Find maximum and minimum elements in an array in Swift with example| Dictionary

This tutorial is about finding maximum and minimum numbers from an array of numbers in Swift for example.

  • Maximum and minimum elements of an array using max and min functions
  • Maximum and minimum elements of a dictionary using max and min functions

How to find maximum and minimum numbers in an array of numbers in swift

There are multiple ways we can find max and min in Swift.

  • Use Array max, min method Array provides the max method that returns the maximum element from an array The min method returns the minimum element from an array.

Here is an example

import Foundation
let numbers = [1, 2, 3, 4, 5,6,7,8,9]
let maxNum=numbers.max();
print((maxNum ?? 0))
let minNum=numbers.min();
print((minNum ?? 0))

Output:

9
1

How to find maximum and minimum from the Swift dictionary

The dictionary contains keys and values.

The following example contains employee names and salaries

This finds the maximum and minimum salaries of a dictionary in swift

let employees = ["John" : 5000, "Franc" : 2000, "Andrew" : 9000]
let maxSalary = employees.max { a, b in a.value < b.value }
print((maxSalary ?? 0))
let minSalary = employees.min { a, b in a.value < b.value }
print((minSalary ?? 0))

Output:

(key: "Andrew", value: 9000)
(key: "Franc", value: 2000)