From f985a7c1994ef024fb19211c5a3cf6a93cca661d Mon Sep 17 00:00:00 2001
From: Ankit-5087 <85407190+Ankit-5087@users.noreply.github.com>
Date: Sat, 23 Oct 2021 10:00:49 -0400
Subject: [PATCH] Create array2D_diag

Java based program to calculate the sum of diagonal elements of the entered matrix.
---
 array2D_diag | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 array2D_diag

diff --git a/array2D_diag b/array2D_diag
new file mode 100644
index 0000000..559b29e
--- /dev/null
+++ b/array2D_diag
@@ -0,0 +1,35 @@
+import java.util.*;
+class array2D_diag
+
+{
+    public static void main(String args[])
+    {
+        Scanner sc=new Scanner(System.in);
+        int n=4;
+        int num[][]=new int[n][n];
+        for (int r=0;r<n;r++)
+        {
+            System.out.println("Enter integers for Row No. "+r);
+            for (int c=0;c<n;c++)
+            {
+                num[r][c]=sc.nextInt();
+            }
+        }
+        int diag1=0,diag2=0;
+        for (int r=0;r<n;r++)
+        {
+            for (int c=0;c<n;c++)
+            {
+                System.out.print(num[r][c]+"\t");
+                if (r==c)
+                diag1=diag1+num[r][c];
+                else if (r+c==n-1)
+                diag2=diag2+num[r][c];
+            }
+            System.out.println();
+        }
+        
+        System.out.println("Sum of 1st diagonals = "+diag1);
+        System.out.println("Sum of 2nd diagonals = "+diag2);
+    }
+}