Midterm 2 Review

Functions/Conditionals

100

What word does our conditions begin with?

is

200

What is the term that a loop inside a function called?

Nesting

300

What are the terms for creating a function and using it?

Define
Call

400

What happens if my if conditions and my else if conditions are false?

Nothing; moves on to the next lines of code

500

Provide the proper syntax for the following conditional: if I am on a gem, I will collect it, else if I am on a off switch, I will turn on the switch

if isOnGem {
  collectGem()

} else if isOnClosedSwitch {

toggleSwitch()
}

Loops

100

What loop do we use when the puzzle randomizes the number of spaces?

While loop

200

Using proper syntax create a loop that repeats moveForward() 20 times.

for i in 1...20 {

moveForward()
}

300

What is the correct syntax for For Loops?

for i in 1... # { ... }

400

What is the correct syntax for a While Loop?

while condition { ... }

500

What is the difference between a For Loop and a While Loop?

A for loop is for a certain number of times
While Loop is for when we don't know the number of times to repeat/loops with a condition

Operators

100

What is this the name of operator " = "?

Assignment Operator

200

What are the 3 logical operators?

&& - AND

|| - OR

! - NOT

300

What operator can we not use in our conditional statements and/or while loops?

Assignment Operator - " = "
(We can use all of these: <, <=, >, >=, ==, !=, !, ||, &&)

400

What operator are we using here: " age += 11"

Compound assignment operator

500

What are the following operators in this order:

<,  <=,  >,  >=, ==, !=

Less than, Less than or equal to, Greater than, Greater than or equal to, Equals to, Not equal to

Variables/Initialization

100

How do we define a variable and a constant?

var 

let

200

How do we initialize "expert"?

let expert = Expert()

300

How do we initialize Byte?

let character = Character()

400

We initialized a variable "age". How do we assign an integer of "55" the variable? (You can say "equals")

age = 55

500

What is the difference between a variable and a constant?

Variables values can be changed
Constant values CANNOT be changed

Types

100

How do we turn off a blue portal using correct syntax?

bluePortal.isActive = false

200

What is the proper syntax to turn a lock up?

expert.turnLockUp()

300

What is the difference between "Methods" & "Properties"?

Property = variable defined inside of a Type, value than can be manipulated using an instance.

Method = Actions that an item does. You can create or define methods and then call on them.

400

Give me an example of a property AND an example of a method using "expert"

expert.moveForward()

expert.gemsCollected = 4

500

What are the 4 components of a Type?

Dot Notation, Methods, Instance, & Property