Java print a tree form on console

/**
 * @author lautturi.com 
 * Java example:print a tree
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		
		for (int i = 0; i < 10; i++) {
            for (int j = 0; j < 10 - i; j++)
                System.out.print(" ");
            for (int k = 0; k < (2 * i + 1); k++)
                System.out.print("*");
            System.out.println();
        }
		for (int l = 0; l < 5; l++) {
			for (int j = 0; j < 8; j++)
                System.out.print(" ");
			for (int k = 0; k < 4; k++)
                System.out.print("*");
			System.out.println();
		}
	}
}

output:

'         *
         ***
        *****
       *******
      *********
     ***********
    *************
   ***************
  *****************
 *******************
        ****
        ****
        ****
        ****
        ****