Fix

Author: Hardvan

src/main/java/com/thealgorithms/misc/MatrixTranspose.java

@@ -29,7 +29,7 @@ private MatrixTranspose() {
      * @return The transposed matrix
      */
     public static int[][] transpose(int[][] matrix) {
-        if (matrix.length == 0 || matrix == null) {
+        if (matrix == null || matrix.length == 0) {
             throw new IllegalArgumentException("Matrix is empty");
         }
 

src/test/java/com/thealgorithms/misc/MatrixTransposeTest.java

@@ -53,6 +53,6 @@ public void testTransposeEmptyMatrix() {
     @Test
     public void testTransposeNullMatrix() {
         int[][] matrix = null;
-        assertThrows(NullPointerException.class, () -> MatrixTranspose.transpose(matrix), "Expected IllegalArgumentException for null matrix.");
+        assertThrows(IllegalArgumentException.class, () -> MatrixTranspose.transpose(matrix), "Expected IllegalArgumentException for null matrix.");
     }
 }