Topic 4.1 Video 2

How many times will this code execute?

while(true)

System.out.print("AP CSA ");

• infinitely

• Three times
• Twice
• Once

What is an infinite loop?

• An infinite loop is a loop that executes only once.
• An infinite loop is a loop that stops executing after a certain number of iterations.
• An infinite loop is a loop that executes a specific number of times.
• An infinite loop is a loop that continues to execute indefinitely.

From the video, what must be done to avoid an infinite loop?

• Increase the loop counter indefinitely
• Remove the loop entirely
• Add a break statement inside the loop
• Make sure there is a correct update inside of the loop.

What is output by the code below?

 

int n = 0;

while(n<10)

{  

   n+=3;

}

System.out.print( n );

• 12

• 9

• 6

• 3

What is output by the code below?

 

int n=4, a=0;

while(n<13)

{  

   a += n;  

   n+=3;

}

System.out.print( a );

• 25

• 21

• 32

• 28

• 15

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