General Definitions

Question 1

Perform operations like assignment, arithmetic, and comparison

Answer 1

Basic Operators

Question 2

Store and manipulate text

Answer 2

Strings and Characters

Question 3

Organize data using arrays, sets, and dictionaries

Answer 3

Collection Types

Question 4

Structure code with branches, loops, and early exits

Answer 4

Control Flow

Question 5

Define and call functions, label their arguments, and use their return values

Answer 5

Functions

Question 6

Group code that executes together, without creating a named function

Answer 6

Closures

Question 7

Model custom types that define a list of possible values

Answer 7

Enumerations

Question 8

Model custom types that encapsulate data

Answer 8

Structures and Classes

Question 9

Access stored and computed values that are part of an instance or type

Answer 9

Properties

Question 10

Define and call functions that are part of an instance or type

Answer 10

Methods

Question 11

Access the elements of a collection

Answer 11

Subscripts

Question 12

Subclass to add or override functionality

Answer 12

Inheritance

Question 13

Set the initial values for a type’s stored properties and perform one-time setup

Answer 13

Initialization

Question 14

Release resources that require custom cleanup

Answer 14

Deinitialization

Question 15

Access members of an optional value without unwrapping

Answer 15

Optional Chaining

Question 16

Respond to and recover from errors

Answer 16

Error Handling

Question 17

Perform asynchronous operations.

Answer 17

Concurrency

Question 18

Use macros to generate code at compile time

Answer 18

Macros

Question 19

Determine a value’s runtime type and give it more specific type information

Answer 19

Type Casting

Question 20

Define types inside the scope of another type

Answer 20

Nested Types

Question 21

Add functionality to an existing type

Answer 21

Extensions

Question 22

Define requirements that conforming types must implement

Answer 22

Protocols

Question 23

Write code that works for multiple types and specify requirements for those types

Answer 23

Generics

Question 24

Hide implementation details about a value’s type

Answer 24

Opaque and Boxed Types

Question 25

Model the lifetime of objects and their relationships

Answer 25

Automatic Reference Counting

Question 26

Structure your code to avoid conflicts when accessing memory

Answer 26

Memory Safety

Question 27

Manage the visibility of code by declaration, file, and module

Answer 27

Access Control

Question 28

Define custom operators, perform bitwise operations, and use builder syntax

Answer 28

Advanced Operators