Create MatrixDiagSum.java

MatrixDiagSum.java

@@ -0,0 +1,40 @@
+// Contributor Info : 
+//     Name : Ankit Raj
+//     Git : https://github.com/Ankit-5087
+
+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);
+    }
+}