TwoDarray or loop

[bikar]

Hi ,
any one could help me on this ,i want it start from one until 30 thanks

import java.util.Scanner;
public class inte
{
	
    public static void main(String[] args)
    {
	final int MAX_ROWW = 5;
	final int MAX_STARR = 20;
	
	int i,k;

	for(i=1; i <= 30 ;i++)
   	{
     
      		for(k=1; k <= MAX_ROWW; k++)
      		{
         
		 
         		System.out.print(String.format ("%5d",i++));
      		}
      
      	System.out.println();

   	}


    }                 
    
}

the out come is as follow my question where is 6 ,10 ,
why ?
any help please
1 2 3 4 5
7 8 9 10 11
13 14 15 16 17
19 20 21 22 23
25 26 27 28 29