Units 2 + 3 Review

Input & Output

100

A function that retrieves an integer from the user

readInt()

200

The three ways you can print text to a console without expecting any input

print, println, console.log

300

Mouse events use this variable to represent your cursor

e

400

How many stars does this print?

for(let i = 7; i < 5; i++){

    print("***");
}

0

500

Write code that asks the user for a number. Print "yes" if that number has one or two digits.

let x = readInt("gimme a number");

if(x > -100 && x < 100){

    print("yes");

}

Graphics

100

Code that draws cir1 on the canvas

add(cir1);

200

The default size of the canvas

400x600

300

When making a new Circle object, this is your single argument.

radius

400

When making a new Rectangle object, these two values are used as your arguments.

Width and height

500

The coordinates for the center of any canvas

(getWidth() / 2, getHeight() / 2)

Boolean Logic

100

An operation that's true when both of its booleans are true

and &&

200

An operation that's true if its corresponding boolean is false

Not !

300

The boolean order of operations

Parentheses (), not !, and &&, or ||

400

Simplify a || !a

true

500

!(a && b) is equivalent to this

!a || !b

Unit 3 Stuff

100

Randomizer.nextBoolean() generates this many possible values

2

200

Generates a random number from 5 to 15, inclusive

Randomizer.nextInt(5, 15)

300

When two pieces of code have the same outcome, regardless of input

Equivalence

400

Immediately halts the loop that it's inside

break

500

Can generate 10, 20, 30, 40, or 50 at random

Randomizer.nextInt(1, 5) * 10

Wild Card

100

Use this when we want to repeat an action a definite amount of times

for loop

200

Karel turns until they face south

While(notFacingSouth()){

    turnLeft();

}

300

The term for when a loop is inside of another loop

Nested loop

400

Function that runs automatically

start()

500

Final AP Exam registration day

November 13