print star pattern in java programming.

Question : - print star pattern like this. 

java star pattern

program of star pattern : -

import java.util.*;

public class Main

{

public static void main(String[] args) {

int i,j,k=0;

for(i=1;i<=9;i++){

    if(i<=4)

    k++;

    else

    k--;

    for(j=1;j<=4;j++){

        if(j<=k)

        System.out.print("*  ");

        else

        System.out.print(" ");

    }

    System.out.println();

}

}

}