Square Matrix - Corner Elements Sum Java PART-005

 Square Matrix - Corner Elements Sum:

A square matrix of size N×N is passed as the input. The program must calculate and print the sum of the elements in the corners.

Program in Java:

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 import java.util.*;

public class Hello {

    public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

int x=sc.nextInt();int s=0;

int[][] d=new int[x][x];

for(int i=0;i<x;i++)

for(int j=0;j<x;j++)

{

    d[i][j]=sc.nextInt();

    if((i==0&& j==0) ||(i==0 && j==x-1)||(i==x-1&& j==0)||(i==x-1 && j==x-1))

    s+=d[i][j];

}

System.out.print(s);

}

}

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