Chapter 15.3, Problem 19SCP

Explanation of Solution

“sum” method:

//definition of "ArrayIntList" class

public class ArrayIntList

{

    //declare the required variables

    private int[] elementData;

    private int size;

    //refer the remaining methods in the textbook

    //definition of "sum" method

    public int sum()

    {

        //declare the integer variable

        int total = 0;

        //iterate "i" until it reaches the "size"

        for (int i = 0; i < size; i++)

       �...