Check for empty matrices part updated

Author: Nishitha0730

src/main/java/com/thealgorithms/matrix/MatrixMultiplication.java

@@ -18,6 +18,12 @@ public static double[][] multiply(double[][] matrixA, double[][] matrixB) {
             throw new IllegalArgumentException("Input matrices cannot be null");
         }
 
+        // Check for empty matrices
+        if (matrixA.length == 0 || matrixB.length == 0 ||
+                matrixA[0].length == 0 || matrixB[0].length == 0) {
+            throw new IllegalArgumentException("Input matrices must not be empty");
+        }
+
         // Validate the matrix dimensions
         if (matrixA[0].length != matrixB.length) {
             throw new IllegalArgumentException("Matrices cannot be multiplied: incompatible dimensions.");