What does this print for m={{1,2},{3,4}}?
<code>for (int[] row : m) { for (int x : row) System.out.print(x + " "); System.out.println(); } </code></pre>
- A
1 2 3 4 (one line)
- Bcheck_circle
1 2\n3 4
- C
1234
- D
1\n2\n3\n4
Explanation
Each row prints its elements then a newline.