In Swift, there are different ways to increment a number or a variable. Some of them are:
1. Using the increment operator (++):
var number = 10
number += 1 // or number++
print(number) // 11
2. Using the addition assignment operator (+=):
var number = 10
number += 1
print(number) // 11
3. Using the prefix operator:
var number = 10
number = number + 1 // or number += 1
print(number) // 11
4. Using the postfix operator:
var number = 10
number = 1 + number // or number = 1 += number
print(number) // 11
All of these methods achieve the same result, by incrementing a number or a variable by 1.