Create diagonalSum.java

diagonalSum.java

@@ -0,0 +1,51 @@
+
+import java.io.*;
+
+
+public class diagonalSum {
+
+
+	static void Sum_of_Diagonals(int[][] matrix, int N)
+	{
+
+
+		int Pd = 0, Sd = 0;
+
+
+		for (int k = 0; k < N; k++) {
+
+
+			for (int l = 0; l < N; l++) {
+
+
+				if (k == l)
+					Pd += matrix[k][l];
+
+
+				if ((k + l) == (N - 1))
+					Sd += matrix[k][l];
+			}
+		}
+
+
+		System.out.println("Sum of Principal Diagonal:"
+						+ Pd);
+
+		System.out.println("Sum of Secondary Diagonal:"
+						+ Sd);
+	}
+
+
+	static public void main(String[] args)
+	{
+
+
+		int[][] b = { { 8, 2, 13, 4 },
+					{ 9, 16, 17, 8 },
+					{ 1, 22, 3, 14 },
+					{ 15, 6, 17, 8 } };
+
+
+		Sum_of_Diagonals(b, 4);
+	}
+}