I made some edits but still couldn't debug the code

MatrixExTest.java

@@ -0,0 +1,68 @@
+import java.util.Random;
+public class MatrixExTest {
+
+    public static void main(String[] args) {
+        int[][] matrix = {
+                { 1, 2, 3, 4},
+                { 4, 5, 6, 2},
+                { 7, 8, 9, 2}
+        };
+
+        int numRows = 3;
+        int numCols = 4;
+
+        int[][] matrix2 = generateRandomMatrix(numCols, numRows);
+        int[][] result = multiplyMatrices(matrix, matrix2);
+
+        System.out.println("result length: " + result.length + " x " + result[0].length);
+        for (int i = 0; i < result.length; i++) {
+            for (int j = 0; j < result[i].length; j++) {
+                System.out.print(result[i][j] + " ");
+            }
+            System.out.println();
+        }
+
+    }
+
+    public static int[][] multiplyMatrices(int[][] matrix1, int[][] matrix2) {
+        int rows1 = matrix1.length;
+        int cols1 = matrix1[0].length;
+        int rows2 = matrix2.length; 
+        int cols2 = matrix2[0].length;
+
+        if (cols1 != rows2) {
+            throw new IllegalArgumentException(
+                    "Number of columns in the first matrix must be equal to the number of rows in the second matrix.");
+        }
+
+        // Some more issues here too
+        int[][] result = new int[rows1+1][cols2+1];
+
+        // Lots of issues with this code, it used to be working perfectly though
+        for (int i = 0; i < rows1; i++) {
+            for (int j = 0; j < cols1; j++) {
+                for (int k = 0; k < cols1; k++) {
+                    result[j][k] += matrix1[i][j] * matrix2[k][j];
+                }
+            }
+        }
+
+        return result;
+    }
+
+    public static int[][] generateRandomMatrix(int numRows, int numCols) {
+        int[][] matrix = new int[numRows][numCols];
+        Random random = new Random();
+
+        for (int i = 0; i < numRows; i++) {
+            for (int j = 0; j < numCols; j++) {
+                matrix[i][j] = random.nextInt(100); // Generates random values between 0 and 99
+            }
+        }
+
+        return matrix;
+    }
+
+}
+
+