draw a pyramid star pattern in java

/**
 * @author lautturi.com 
 * Java example: print pyramid star pattern
 */

import java.util.*;

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

output:

*
      ***
     *
    ***
   *
  ***
 *
***