Posts about Swift
Introduction to the Swift language tutorial
May 21, 2021 12:00 0 Comment Swift
Introduction to the Swift language tutorial, Introduction to the Swift language tutorial, Who is fit to read this tutorial?, The first Swift program, Introduction to the Swift language tutorial, Swift is an open source programming language that supports the multi-programming paradigm and compilation
Swift Environment Build
May 21, 2021 12:00 0 Comment Swift
Swift Environment Build, Swift Environment Build, The first Swift program, Create the first project, Swift Environment Build, Swift is an open source programming language for developing OS X and iOS applications., Before we can formally develop applic
Swift basic syntax
May 21, 2021 12:00 0 Comment Swift
Swift basic syntax, Swift basic syntax, Swift introduced, Swift tag, Comments, Semicolon, Identifier, Keywords, Swift space, Swift literally, Swift basic syntax, In the previous section we talked about how to create the "Hello, World!" program in swift language., Now let's review it., If you
Swift variable
May 21, 2021 12:00 0 Comment Swift
Swift variable, Swift variable, Variable declaration, The variable is named, The variable output, Swift variable, A variable is a convenient placeholder that refers to a computer's memory address., Swift specifies a specific type of variable that d
Swift optional (Optionals) type
May 21, 2021 12:00 0 Comment Swift
Swift optional (Optionals) type, Swift optional (Optionals) type, Force resolution, Automatic resolution, Optional binding, Swift optional (Optionals) type, Swift's optional (Optional) type to handle missing values., Optionally, "there's a value there, and it's equal to x"
Swift constant
May 21, 2021 12:00 0 Comment Swift
Swift constant, Swift constant, Constant declaration, Type label, Constant naming, Constant output, Swift constant, Once a constant is set, its value cannot be changed while the program is running., Constants can be any data type such as integer cons
Swift literally
May 21, 2021 12:00 0 Comment Swift
Swift literally, Swift literally, The literal amount of the integer, Floating-point literal quantity, String literally, Boolean literal quantity, Swift literally, Literally, it refers to values like a specific number, string, or Boolean value that can directly point out your own type and assign
Swift operator
May 21, 2021 12:00 0 Comment Swift
Arithmetic operator, Arithmetic operator, Comparison operator, The logical operator, Bit operator, An operator is a symbol that tells the compiler to perform a mathematical or logical operation., Swift provides the following operators:, Arithmetic o
Swift conditional statement
May 21, 2021 12:00 0 Comment Swift
Swift conditional statement, Swift conditional statement, ? : Operator, Swift conditional statement, A conditional statement executes a program by setting one or more conditions, executing the specified statement when the
Swift loop
May 21, 2021 12:00 0 Comment Swift
Swift loop, Swift loop, The type of loop, Loop control statements, Swift loop, Sometimes we may need to execute the same piece of code multiple times., In general, statements are executed sequentially: the first state
Swift string
May 21, 2021 13:00 0 Comment Swift
Swift string, Swift string, Create a string, An empty string, String constant, Insert a value in the string, String connection, The length of the string, String comparison, Unicode string, String functions and operators, Swift string, A Swift string is a collection of characters. F, or example, a collection of values for an ordered character type such as "Hello, World!
Swift Character
May 21, 2021 13:00 0 Comment Swift
Swift Character, Swift Character, The empty character variable, Traverse the characters in the string, String connection characters, Swift Character, Swift's character is a single character string literally, with a data type of Character., The following example lists two character i
Swift dictionary
May 21, 2021 13:00 0 Comment Swift
Swift dictionary, Swift dictionary, Create a dictionary, Access the dictionary, Modify the dictionary, Remove the Key-Value pair, Traverse the dictionary, The dictionary is converted to an array, Count property, IsEmpty property, Swift dictionary, Swift dictionaries are used to store a collection of out-of-order data of the same type, and the Swift array enforces detection of t
Swift array
May 21, 2021 13:00 0 Comment Swift
Swift array, Swift array, Create an array, Access the array, Modify the array, Traverse the array, Merge the array, Count property, IsEmpty property, Swift array, Swift arrays use ordered lists to store multiple values of the same type., The same value can appear more than once in different places i
Swift function
May 21, 2021 13:00 0 Comment Swift
The function definition, The function definition, The function is called, Function arguments, Without argument functions, The u-group returns a value as a function, There is no return value function, The name of the function argument, Variable parameters, Constants, variables, and I/O parameters, A separate block of code that the Swift function is used to complete a specific task., Swift uses a uniform syntax to represent simple C-style functio