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(Solved) : Write Method Returns Sum Elements Specified Column Matrix Using Following Header Public St Q35553760

Write a method that returns the sum of all the elements in aspecified column in a matrix using

the following header:

public static double sumColumn(double [][] m, intcolumnIndex)

Write another method that returns the sum of all the elements ina specified row in a matrix using

the following header:

public static double sumRow( double [][] m, int rowIndex)

Write a test program that reads a 3-by-4 matrix and displays thesum of each column and sum of each row.

the result should print the sum of both the row and columnrespectively

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