write a java program for the following question:

Write a method replaceNegativeValues (double [] a) that has an array of doubles parameter a, and replaces all negative values in the array with the average of the values in the row that the negative value is in Write a test program that prompts the user to enter a 3 * 3 matrix of double values and tests your method. Print out the modified array. Here are sample runs: Enter a 3-by-3 matrix row by row: 3 45 1 2 21 The modified array: 4 1 2 1.5 4 2 5 Please note that your method should also work for an n * m matrix (n, m>0)