Write a method that returns the sum of all the elementsin a specified row in a matrix using the following header:public static double sumRow(double[][] m, int rowIndex)Point Write a test program that reads a 3-by-4 matrix and displays the sum of each row.Here is a sample run:Enter a 3−by−4 matrix row by row:1.5 2 3 4 ↵Enter5.5 6 7 8 ↵Enter9.5 1 3 1↵Enter Sum of the elements at row 0 is 10.5Sum of the elements at row 1 is 26.5Sum of the elements at row 2 is 14.5

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