Programare swift Swift tutorial from tutorials point | Page 6

Swift 4
String Concatenation ............................................................................................................................. 55
String Length ......................................................................................................................................... 56
String Comparison ................................................................................................................................. 56
String Iterating ...................................................................................................................................... 56
Unicode Strings ..................................................................................................................................... 57
String Functions & Operators ................................................................................................................ 57
14. SWIFT 4 – CHARACTERS ..................................................................................................... 60
Empty Character Variables .................................................................................................................... 60
Accessing Characters from Strings ......................................................................................................... 61
Concatenating Strings with Characters .................................................................................................. 61
15. SWIFT 4 – ARRAYS ............................................................................................................. 62
Creating Arrays ..................................................................................................................................... 62
Accessing Arrays.................................................................................................................................... 62
Modifying Arrays ................................................................................................................................... 63
Iterating Over an Array ......................................................................................................................... 64
Adding Two Arrays ................................................................................................................................ 65
The count Property ............................................................................................................................... 66
The empty Property .............................................................................................................................. 66
16. SWIFT 4 – SETS .................................................................................................................. 68
Creating Sets ......................................................................................................................................... 68
Accessing and modifying Sets ................................................................................................................ 68
Iterating over a Set ................................................................................................................................ 69
Performing Set Operations .................................................................................................................... 69
17. SWIFT 4 – DICTIONARIES ................................................................................................... 70
Creating Dictionary ............................................................................................................................... 70
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