Prototype 4

You’re trying to write some code that creates a random age between 1 and 100 and prints that age, but there is an error. What would fix the error?

• Add a new line after line 8 that says “return age;”

• On line 7, change the word “private” to “void”

• Add the word “int” to line 8, so it says “int age = …”

• Change line 1 to “private float age”

The following message was displayed in the console: “Monica has 20 dollars”.

Which of the line options in the PrintNames function produced it?

• Option A

• Option B

• Option c

• Option D

he code below produces “error CS0029: Cannot implicitly convert type 'float' to 'UnityEngine.Vector3'”. Which of the following would remove the error?

• On line 1, change “Vector3” to “float”

• On line 3, change “=” to “+”

• Either A or BNone of the above

• None of the above

Which of the following follows Unity’s naming conventions (especially as it relates to capitalization)?

• Line A

• Line B

• Line C

• Line D

You are trying to assign the powerup variable in the inspector, but it is not showing up in the Player Controller component. What is the problem?

• You cannot declare a powerup variable in the Player Controller Script

• You cannot assign GameObject type variables in the inspector

• The powerup variable should be public instead of private

Your game has just started and you see the error, “UnassignedReferenceException: The variable playerIndicator of PlayerController has not been assigned.” What is likely the solution to the problem?

• PlayerController variable in the playerIndicator script needs to be declared

• The playerIndicator variable needs to be made private

• The PlayerController script must be assigned to the player object

• An object needs to be dragged onto the playerIndicator variable in the inspector

You are trying to create a new method that takes a number and multiplies it by two. Which method would do that?

• Method A

• Method B

• Method C

• Method D

Which comment best describes the code below?

• // If the player collides with an enemy, destroy the enemy

• // If the enemy collides with a spike, destroy the spike

• // If the enemy collides with a spike, destroy the enemy

• // If the player collides with a spike, destroy the spike

The code below produces the error, “error CS0029: Cannot implicitly convert type 'UnityEngine.GameObject' to 'UnityEngine.Rigidbody'”. What could be done to fix this issue?

• On line 1, change “collision” to “Rigidbody”

• On line 2, change “gameObject” to “Rigidbody”

• On line 3, delete “.gameObject”

• On line 3, add “.GetComponent<Rigidbody>()” before the semicolon

Which of the following statements about functions/methods are correct:

• A and B are correct

• Only B is correct

• B and C are correct

• Only D is correct

• None are correct