What does the following piece of code do?for(int i = 0; i

Question

What does the following piece of code do?for(int i = 0; i < row; i++){      for(int j = 0; j < column; j++)    {        if(i == j)            sum = sum + (array[i][j]);    }}System.out.println(sum);

Anonymous · Accepted Answer

for (int i = 0 ; i < row ; i++)
        {
            for (int j = 0 ; j < col ; j++)
            {
                b [i] [j] = 0;
            }
        }
        redraw ();

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What does the following piece of code do?for(int i = 0; i < row; i++){ for(int j = 0; j < column; j++) { if(i == j) sum = sum + (array[i][j]); }}System.out.println(sum);

Answer is "Trace of a matrix"

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