Understanding Unity 2D Variables and Methods

What is the correct way to declare an integer variable named score in C#?

• int score;

• integer score;

• var score;

• score int;

How do you call a method named `DisplayMessage` that takes a string parameter in C#?

• DisplayMessage("Hello World");

• DisplayMessage;

• DisplayMessage[];

• DisplayMessage("Hello World")

What method is commonly used to access a component attached to a GameObject in Unity?

• GetNode( )

• GetComponent<>()

• FindComponent()

• AccessComponent()

Which of the following statements is true about public variables in Unity?

• They can only be modified in the script.
  

• They can be assigned in the Inspector and accessed by other scripts.

• They are not visible in the Inspector.

• They do not exist between scenes.

Which of the following methods will destroy a gameObject?

• OnDestroy( )

• Delete( )

• Enable( )

• Destroy( )

What does ForceMode2D.Impulsedo when applied to a Rigidbody2D?

• Applies a continuous force over time

• Prevents any movement

• Applies strong, quick force to create a sudden movement

• Changes the mass of the Rigidbody

What does Vector2 represent in Unity?

• A 3D point in space

• A color value

• A sound effect

• A point or direction in 2D space

If you wanted to make the character jump higher, which part of the code would you modify?

• Increase the y-value in new Vector2 (0, 5)

• Change the Rigidbody2D component

• Change the ForceMode2D type

• Decrease the x-value in new Vector2(0, 5)

Which of the following correctly calls a method named PlaySound( ) in the Start() method?

• PlaySound;

• Call PlaySound();

• 
  PlaySound();

• Start.PlaySound();

What would happen if you used ForceMode2D.Force instead of ForceMode2D.Impulse for the jump method?

• The character would jump instantly.

• The character would not jump at all.

• The character would experience a gradual increase in speed instead of an instant jump.

• The character would jump horizontally instead of vertically.