print string sqift
var str1 = "Hello, world"
print(str1)swift compare strings
print("foo".elementsEqual("bar")) //falsedeclare empty string in swift
// Create a literal empty string
var emptyString = ""
// Create an optional string
var emptyVariable: String? // This allows this variable to have a null value, or nil in swifthow to compare two strings in swift
let str1 = "Hello, world!"
let str2 = "I love Swift."
let str3 = "Hello, world!"
// compare str1 and str2
print(str1 == str2)
// compare str1 and str3
print(str1 == str3)Copyright © 2021 Codeinu
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