How to find the Sum of diagonal elements of a 3-3 Matrix by Java
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Find the sum of diagonal elements of a 3-3 matrix
This is a matrix programming implementation problem. Matrices in Java are generally implemented through two-dimensional arrays.
The specific code is as follows:
Import java.util.Random;/** * find the sum of the diagonal elements of a 3'3 matrix * * @ author ChenZX * * / public class Test04 {public static void main (String [] args) {int sum = 0; / / and int [] [] arr = new int [3] [3]; Random r = new Random (); for (int iPisti)
