Write a method that sums all the numbers in the major diagonal in an n x n matrix of double values using the following header: public static double sumMajorDiagonal (double[][] m) Write a test program that first prompts the user to enter the dimension n of an n x n matrix, then asks them to enter the matrix row by row (with the elements separated by spaces). The program should then print out the sum of the major diagonal of the matrix. SAMPLE RUN #1: java sumMajorDiagonal Standard Output Hide Invisibles Enter.dimension.n.of nxn matrix: Enter.row.0:Enter row 1: Enter.row.2: Enter.row 3:17.1

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Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.