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Engineering · Computer Science
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This method returns the coordinates in a game of Battleship. Why is the array declared with two integers instead of one? It would be very helpful if someone could comment each line of code so I can get a better understanding of what is going on. Thanks.

public int[] getCoordinates(String input)
{
    int[] coordinates = new int[2];
    String[] strList = input.split(" ");
    int row = strList[0].charAt(0) - 'a';
    int col = Integer.parseInt(strList[1]);
    coordinates[0] = row;
    coordinates[1] = col;
    return coordinates;
}
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