Variables and serialization in Unity - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a public integer variable named score.

Unity

public class GameStats : MonoBehaviour {
    public [1] score;
}

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Aint

Bstring

Cfloat

Dbool

Attempts:

3 left

💡 Hint

Common Mistakes

Using string instead of int for numbers.

Forgetting to specify the variable type.

The keyword int declares an integer variable in C#.

2fill in blank

medium

Complete the code to make the variable health visible and editable in the Unity Inspector.

Unity

public class Player : MonoBehaviour {
    [[1]]
    private int health = 100;
}

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ASerializeField

BHideInInspector

CNonSerialized

DObsolete

Attempts:

3 left

💡 Hint

Common Mistakes

Using HideInInspector hides the variable instead of showing it.

Using NonSerialized prevents serialization.

The [SerializeField] attribute makes private variables visible in the Inspector.

3fill in blank

hard

Fix the error in the code to correctly serialize a Vector3 position variable.

Unity

public class Enemy : MonoBehaviour {
    [SerializeField]
    private [1] position;
}

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AVector2

BQuaternion

CVector4

DVector3

Attempts:

3 left

💡 Hint

Common Mistakes

Using Vector2 which only has two coordinates.

Using Quaternion which is for rotations.

Vector3 is the correct type for 3D positions in Unity.

4fill in blank

hard

Fill both blanks to declare a public string variable named playerName and initialize it to "Guest".

Unity

public class User : MonoBehaviour {
    public [1] playerName = [2];
}

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Astring

B"Guest"

Cint

DGuest

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes around the text value.

Using int instead of string for text.

Use string for text variables and enclose text in double quotes.

5fill in blank

hard

Fill all three blanks to serialize a private float speed variable with initial value 5.5f.

Unity

public class Vehicle : MonoBehaviour {
    [[1]]
    private [2] speed = [3];
}

Drag options to blanks, or click blank then click option'

ASerializeField

Bfloat

C5.5f

Dint

Attempts:

3 left

💡 Hint

Common Mistakes

Using int instead of float for decimal numbers.

Forgetting the 'f' suffix on the number.

Use [SerializeField] to show private variables, float for decimal numbers, and add f suffix for floats.