ASCIITable

public class ASCIItable
{
  public static void main(String[] args) {
    final char EXCLAIM = '!';
    final char TILDE = '~';
    char c = (char) 0;
    int row =0;
    while( c <= TILDE) {
      System.out.printf("%4d", row++);
      for(int i =0; i < 10; i++) {
        if(c >= EXCLAIM && c <= TILDE) {
          System.out.printf("%4d", c);
        }
        else
        {
          System.out.printf("%4ds", "");
        }
        c = (char) (c+1);
      }
      System.out.println();
    }
  }
}