Swift 5 vs Objective-C by Chaudhary, Amit -- Read -- Imperial Library of Trantor

Index

1. Basics

Basic Info Tokens Keywords Identifiers Comments SemiColons Playgrounds

2. Constants & Variables

Constants Variables

3. Data Types

What is Data Types? Boolean Types Character Types Integer Types Floating Point Types TypeAlias Types Tuples Optionals SEL Types

4. Operators

List of Operators Common Operators Different Operators Difference in Common Operators

5. Strings & Characters

Basic Difference Create a String Mutating Strings String Concatenation String Interpolation String Length String Comparison Uppercase and Lowercase Strings Characters Accessing Characters from Strings

6. Collection Types

Arrays Basic Difference Creating Arrays Combining Arrays Enumerating Arrays Accessing and Modifying an Array Sets Basic Set Differences Creating and Initializing an Empty Set Creating a set with an Array Literal Accessing and Modifying a Set Iterating Over a Set Fundamental Set Operations Set Membership and Equality Dictionaries Basic Dictionaries Differences Creating Dictionaries Counting Entries Accessing Dictionaries Modifying Dictionaries Remove Key-Value Pairs Enumerating Dictionaries Convert to Arrays

7. Control Flow

Statements For-In Loops While Loops For Loop If If-Else Nested If-Else Guard Statement Switch-Case Branching Statements

8. Functions

Defining Functions Calling a Function Function Without Parameters Functions With Multiple Parameters Function Without Return Values Function Parameter Names Default Parameter Values Variadic Parameters/ Functions In-Out Parameters/ Call by Reference Function Types/ Function Declaration

9. Closures/ Blocks

Syntax (Declarations/ Definitions) Calling Closures/ Blocks Returning A Closure or Block From a Function/Method Capturing Values Trailing Closures Escaping Closures/ Completion Handler

10. Enumerations

Basics Enumeration Syntax Declaration of Enumerated Variable Implicit Raw/ Default Values Explicit Default Values rawValue Property Initializers Associated Values/ Unions Final Differences

11. Structures

Basics Definition Syntax Accessing Structure Members/ Properties Structures as Function Arguments Final Differences

12. Classes

Feature of Classes Syntax of Class Definition Class Definition Example Creating Class Instances Accessing Class Properties Identity Operators

13. Properties

Types of Property Stored Property Lazy Property Computed Property Read-Only Computed Properties Property Observer With Stored Property Type Properties Nonatomic/ Atomic

14. Methods

Instance methods Local and External Parameter Names for Methods The self Property mutating Keyword Type/ Class Methods

15. Subscripts

Subscript Usage Subscripting Methods Support

16. Inheritance

Inheritance Basics Base Class Subclassing Access SuperClass Characteristics Overriding Preventing Overrides

17. Initialization

Basic Difference Initializers Default Property/ Instance Variables Values Initialization Parameters Optional Property Types Default Initializers Member-wise Initializers for Structure Types Initializer Delegation for Value Types Class Inheritance and Initialization Working Steps of CI and DI Initializer Inheritance and Overriding Automatic Initializer Inheritance DI and CI in Action Failable Initializers Failable Initializers for Enumerations Failable Initializers for Classes Overriding a Failable Initializer Required Initializers

18. DeInitialization/ Dealloc 19. Automatic Reference Counting

How ARC Works? Strong Reference Cycles Weak References Unowned References Copy Property Other References

20. Type Casting

Basics Type Checking Type Casting Type Casting for AnyObject/ id Type Casting of Any Data Type

21. Extensions/ Categories

Basics Syntax Add Computed Property Add Initializers Add Methods Add Subscripts

22. Protocols

Basics Protocol Syntax Property Requirements Method Requirements Mutating Method Requirements Initializer Requirements Protocols as Types Adding Protocol Conformance with an Extension Collections of Protocol Types Protocol Inheritance Class-Only Protocols Protocol Composition Checking for Protocol Conformance Optional Protocol Requirements Protocol Extensions

23. Access Control

Access Level Custom Types Access Level Tuples Types Access Level Function Types Access Level Enumeration Types Access Level Subclassing Access Level Constants, Variables, Properties, and Subscripts Access Level Initializers Access Level Protocols Access Level Extensions Access Level

24. Error/ Exceptions Handling

Representing and Throwing Errors Handling Errors

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