Chapter 5, Problem 23.1E

What does the following program segment do?

1. 1 for (i = 1; i <= 5; i++) {
   1. 2 for (j = 1; j <= 3; j++) {
      1. 3 for (k = 1; k <= 4; k++) {
      2. 4 System.out.print('* ');
   2. 5 }
2. 6
   1. 7 System.out.println();
3. 8 }
4. 9
   1. 10 System.out.println();
5. 11 }