iOS10 Swift Playgrounds 8-11

Question 1

argument

Answer 1

The part you add within the parentheses of functions. E.g., in move(distance: 3), 3 is the argument.

Question 2

assignment

Answer 2

Using an = sign, to put the right hand value into the left hand object (container).

Question 3

constant

Answer 3

A container object that can’t change once it’s set. Declared with “let”

Question 4

declare

Answer 4

To create a new object such as a function, variable or custom type.

Question 5

dot notation

Answer 5

a form of syntax used to access the properties or call the methods of an instance. E.g., expert.toggleSwitch() calls the toggle switch() method on the instance expert.

Question 6

initialization

Answer 6

The act of creating a new instance of a type, which includes setting initial values for any properties of the type.

Question 7

instance

Answer 7

A value of a particular type. E.g., in let greenPortal = Portal(), greenPortal is an instance of type Portal.

Question 8

Int

Answer 8

A type that stores an integer (a number that has no decimal points such as 10 or -42.

Question 9

method

Answer 9

A function that’s defined inside a type (and that comes after dot notation).

Question 10

property

Answer 10

A variable (a named container that stores a value) defined inside a type.

Question 11

syntax

Answer 11

the grammar and rules of arranging words for any language

Question 12

type

Answer 12

A named group with shared properties (the features) and methods (the behaviors).

Question 13

variable

Answer 13

A container object that can change after it’s set. Declared with “var”

Question 14

string

Answer 14

A type that stores a series of characters, such as “hello, world” or “42”.

Question 15

slate

Answer 15

The stored information of a variable, program, or system at a given time

Question 16

parameter

Answer 16

The description of an argument. E.g., in move(distance: 3), “distance” is the parameter.