Unity gMetrix Module 2

Which of the following lines of code will print "Hello" to the Console window?

• Print.Log("Hello");

• Debug("Hello");

• Debug.Log("Hello");

• Print("Hello");

Answer explanation

The method Log inside the Debug class is used to send messages to the Console.

Which of the following is defined as a container of data that can be of many different types?

• Structures

• Variables

• Methods

• Modifiers

Answer explanation

Variables are containers of data. The type determines the data that can be stored inside.

Which of the following variables are properly initialized? (Choose three)

• byte playerRank = 500;

• string playerName = "Kirito";

• int health = 10;

• float gameTime = 0.0f;

Answer explanation

Because byte type variables can only hold values from 0 to 255, the byte option is the only option that is not properly initialized.

Which of the following is the correct way to compare two int values to see whether they are equal?

• if (mylnt1 != mylnt2) {}

• if (mylnt1.Equals mylnt2) {}

  
  

• if (mylnt1 == mylnt2) {}

  
  

• if (mylnt1 = mylnt2) {}

Answer explanation

Using the "equal to" operator is the usual way to compare two integers, so the following is correct:

if (mylnt1 == mylnt2) {

}

Which combination of code snippets creates a valid method declaration?

1 string

2 void

3 AddToMyString(string originalString)

4 {

5 }

6 return originalString + ".";

• 2, 3, 4, 6, 5

  
  

• 2, 3, 4, 5, 6

  
  

• 1, 3, 4, 6, 5

  
  

• 1, 3, 4, 5, 6

  
  

Answer explanation

1, 3, 4, 6, 5 is the only combination that works because it has a string return type and the proper sequence.