新解:
......
for (i = 0; i < 1; i++)
for (j = 0; j < 1; j++)
for (k = 0; k < 1; k++)
for (l = 0; l < 1; l++)
System.out.println("I'm kongfuing.....");
System.out.println("I'm examing.....");
System.out.println("I'm on the grassland.....");
System.out.println("I'm at the peak.....");
System.out.println("I'm dreaming.....");
......