Q26: Two Dimensional Arrays

• Take out a piece of paper and put your name on the upper right corner.

• Answer the following questions.

  1. What is the purpose of the following subroutine?
  2. What is the meaning of the value that it returns, in terms of the value of its parameter?

static double[] sums( double[][] data ) {
    double[] answers = new double[ data.length ];
    for (int i = 0; i < data.length; i++) {
        double sum = 0;
        for (int j = 0; j < data[i].length; i++)
            sum = sum + data[i][j];
        answers[i] = sum;
    }
    return answers;
}

Finish your answers before the timer runs out.