Topic 4.2 Video 2

What is an off by one error (OBO)?

• A programming mistake where a loop or index is off by zero units.
• A programming mistake where a loop or index is off by multiple units.
• A programming mistake where a loop or index is off by two units.
• A programming mistake where a loop or index is off by one unit.

Can a for loop be rewritten as a while loop?

• Only in certain cases
• Yes
• No
• Sometimes

Which one of these loops will NOT print 10 asterisks (*)?

• 
• 
• 
• 
• 

What is output by the code below?

 

for(int i=15; i>2; i=i-2)

   System.out.print(i);

 

• 151311975

• 1513119753

• 13119753

• 15131197531

• 15131197531-1

Which of the following lines of code when added to the given code will print the product of the numbers from 1 to 10 (1*2*3*4*5*6*7*8*9*10)?

• s += i * i;

• s++;

• s *=i;

• s = s + s *i;

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