unit 3 karel code hs

What is wrong with this code? Select all that apply:

• the function name should be Start()

• the move() command is undefined

• the go() function is undefined

• the go() function is called twice in a row

What is wrong with this Karel command? Select all that apply: Move;

• this command is correct

• it should have a lower case m

• it should have parentheses

• it should not have a semi-colon ;

What is an avenue in a Karel world?

• A column

• A row

• A single point

• Karel’s position

Assuming turnRight has already been defined, Karel starts at Street 1, Avenue 1, facing East in a 5x5 world. What will happen after this code runs?

move()

move()

turn_right()

move()

• Karel ends on street 1, avenue 3

• Karel will crash into a wall

• Karel ends on Street 2, avenue 3

• This code won’t run because of a syntax error

What does a Karel run method look like?

• public run() { //code }

• public run(){ //code }

• public void run { //code }

• public void run() { //code }

Non-executing program statements that provide documentation are ___________.  

• Comments

• Commands

• Classes

Karel begins at Street 2, Avenue 3 facing North. What is her ending location and direction after running the code?

• Street 4, Avenue 4, Facing East

• Street 2, Avenue 4, Facing West

• Street 4, Avenue 2, Facing West

• Karel crashes into a wall

If you wanted to use the following code to draw a circle to the canvas with the radius, and x and y coordinates given by the user, how would you ask for this information?

var circle = new Circle(radius);

circle.setPosition(x, y);

circle.setColor(color);

add(circle);

• var x = readLine(“What is the x coordinate? “);

  var y = readLine(“What is the y coordinate? “);

  var radius = readInt(“What is the radius of the circle? “);

• var x = readLine(“What is the x coordinate? “);

  var y = readLine(“What is the y coordinate? “);

  var radius = readLine(“What is the radius of the circle? “);

• var x = readInt(“What is the x coordinate? “);

  var y = readInt(“What is the y coordinate? “);

  var radius = readInt(“What is the radius of the circle? “);

What does this program print?

favorite_color = "blue"

if favorite_color != "green":

print("But green is the color of grass!")

if favorite_color == "red":

print("I like red, too!")

if favorite_color == "blue":

print("Blue is the best")

if favorite_color != "yellow":

print("But yellow is the color of school buses!")

• But green is the color of grass!

  Blue is the best

  But yellow is the color of school buses!

• But green is the color of grass!

• But green is the color of grass!

  I like red, too!

  Blue is the best

  But yellow is the color of school buses!

• Blue is the best

  There are _______ Java Primitive Types.  

• 20

• 8

• 4