#Swift4.2
The print statement can be used to output information such as the contents of an array or a string to the console.
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| import UIKit | |
| let hello = "Hello" | |
| let world = "World" | |
| // HelloWorld | |
| print(hello + world) | |
| // 引数は1つ以上、好きな個数指定でき、異なる型が混在していてもOK | |
| // String 3.14156 42 2018-10-24 14:16:33 +0000 | |
| print("String", 3.14156, 42, Date()) | |
| // separatorを指定することで、好きな区切り文字を指定できる | |
| // Hello-World-3.1415 | |
| print("Hello", "World", separator: "-") | |
| // terminatorを指定することで、好きな区切り文字を指定できる | |
| // Hello World (続けて出力される) | |
| print("Hello", terminator: " ") | |
| print("World") |