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BJP4 Self-Check 7.2: numbersElements

Language/Type: Java arrays syntax
Author: Marty Stepp (on 2016/09/08)

Assume that the following array has been defined, though you do not necessarily know its length.

int[] numbers = new int[??];

What expression should be used:

To access the first element?
To access the last element, assuming was created with length 10?
To access its last element, regardless of its length?

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