Example Code Ch 12-3

question 14

Multiple Choice

Example Code Ch 12-3
Given the two recursive methods shown below, foo and bar.
Assume int[] a = {6, 2, 4, 6, 2, 1, 6, 2, 5}
public int foo(int[] a, int b, int j)
{
if (j < a.length)
if (a[j] != b) return foo (a, b, j+1) ;
else return foo (a, b, j+1) + 1;
else return 0;
}
public int bar(int[] a, int j)
{
if (j < a.length)
return a[j] + bar(a, j+1) ;
else return 0;
}
-Refer to Example Code 12-3: What is the result of calling bar(a, 8) ?

• A) 0
• B) 5
• C) 6
• D) 12
• E) 34

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Definitions:

Decline

A gradual decrease in quality, quantity, or importance of something over time.

Strength

The quality or state of being physically strong, or the capacity to endure or resist challenging circumstances.

SIDS

Sudden Infant Death Syndrome, the unexplained death of a seemingly healthy baby during sleep, primarily affecting infants less than a year old.

Infant Son

A very young male child, especially one newly born to around 2 years of age.