Consider the Code for the Recursive Method PrintSum Shown in This

question 98

Multiple Choice

Consider the code for the recursive method printSum shown in this code snippet, which is intended to return the sum of digits from 1 to n:
Public static int printSum(int n)
{
If (n <= 0) // line #1
{
Return 0; // line #
}
Else
{
Return (n + printSum(n) ) ; //line #3
}
}
Which of the following statements is correct?

• A) line #1 is incorrect, and should be changed to if (n <= 1)
• B) line #3 is incorrect, and should be changed to return (printSum (n - 1));
• C) line #3 is incorrect, and should be changed to return (n + printSum (n + 1));
• D) line #3 is incorrect, and should be changed to return (n + printSum (n - 1));

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