Developing Algorithms Using Arrays

AP Computer Science A· difficulty 4/5

<code> void replace(int[] arr) { arr = new int[10]; } </code> — caller's array

A
$Throws exception$
B
$Unchanged (parameter is local; reassigning doesn't affect caller)$
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C
$Replaced with new$
D
$Becomes null$

Explanation

Pass-by-value: reassigning the parameter doesn't change the caller.

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