Added code for Matrix Addition

Programs/matrix/MatrixAddition.java

@@ -0,0 +1,49 @@
+public class MatrixAddition {
+    public static void main(String[] args) {
+        int[][] matrixA = {
+            {1, 2, 3},
+            {4, 5, 6},
+            {7, 8, 9}
+        };
+
+        int[][] matrixB = {
+            {9, 8, 7},
+            {6, 5, 4},
+            {3, 2, 1}
+        };
+
+        int rows = matrixA.length;
+        int cols = matrixA[0].length;
+
+        int[][] resultMatrix = new int[rows][cols];
+
+        // Perform matrix addition
+        for (int i = 0; i < rows; i++) {
+            for (int j = 0; j < cols; j++) {
+                resultMatrix[i][j] = matrixA[i][j] + matrixB[i][j];
+            }
+        }
+
+        // Display the result
+        System.out.println("Matrix A:");
+        printMatrix(matrixA);
+
+        System.out.println("\nMatrix B:");
+        printMatrix(matrixB);
+
+        System.out.println("\nMatrix A + Matrix B:");
+        printMatrix(resultMatrix);
+    }
+
+    public static void printMatrix(int[][] matrix) {
+        int rows = matrix.length;
+        int cols = matrix[0].length;
+
+        for (int i = 0; i < rows; i++) {
+            for (int j = 0; j < cols; j++) {
+                System.out.print(matrix[i][j] + " ");
+            }
+            System.out.println();
+        }
+    }
+}

README.md

@@ -126,6 +126,7 @@ It is very easy to contribute, you may follow these steps -
 99.[RotateLinkedList](https://github.com/PrajaktaSathe/Java/blob/main/Programs/RotateLinkedList.java)-Program to demo rotating a linked list
 100. [ReverseString](https://github.com/PrajaktaSathe/Java/blob/main/ReverseString.java) -Program to reverse a String using the java method substring.
 101.[Overriding](https://github.com/PrajaktaSathe/Java/blob/main/Programs/Overriding.java)-Program to demo overriding in java
+102. [MatrixAddition](https://github.com/PrajaktaSathe/Java/blob/main/Programs/matrix/MatrixAddition.java) - Perform element-wise addition between two matrices of the same dimensions.
 
 # Contributors - 
 ## A big thank you to all our contributors!!!