c method named xo that accepts an integer size as a parameter and prints a squar

Question

c method named xo that accepts an integer size as a parameter and prints a square of size by size characters, where all characters are "o" except that an "x" pattern of "x" characters has been drawn from the corners of the square. In other words, on the first line, the first and last characters are "x"; on the second line, the second and second-from-last characters are "x"; and so on. If 0 or less is passed for the size, no output should be produced.

The following table lists some calls to your method and their expected output:

      xooox  oxoxo  ooxoo  oxoxo  xooox  

      xoooooox  oxooooxo  ooxooxoo  oooxxooo  oooxxooo  ooxooxoo  oxooooxo  xoooooox  

      xox  oxo  xox  

      x  

      xoooooooooox  oxooooooooxo  ooxooooooxoo  oooxooooxooo  ooooxooxoooo  oooooxxooooo  oooooxxooooo  ooooxooxoooo  oooxooooxooo  ooxooooooxoo  oxooooooooxo  xoooooooooox  

      xooooooooox  oxoooooooxo  ooxoooooxoo  oooxoooxooo  ooooxoxoooo  oooooxooooo  ooooxoxoooo  oooxoooxooo  ooxoooooxoo  oxoooooooxo  xooooooooox  

Explanation / Answer

I'm not familiar with java but here is the code in c, maybe you can make something of it by changing to printf statements to System.print from java.

void xo(int num)
{
     int i,j;
     for(i = 0; i < num; i++){
           for(j = 0; j < num; j++){
                 if(j == i || j == (num - i - 1)){
                      printf("x");
                 }
                 else
                      printf("o");
           }
           printf(" ");
     }
}

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