Something that does something that i think looks cool

Hello.java

public class Hello {
 
   public static void main(String[] args) {  
       Grid grid = new Grid(9);
       
       int fixedGridSize = grid.getSize() - 1;
             
        for (int i = 0; i < grid.getSize(); i++) {
          grid.set(i, i, 1);
          grid.set(i, fixedGridSize - i, 1);
          grid.set(4, i, 1);
          grid.set(i, 4, 1);
       }
       
       grid.printGrid();
   }
   
   
   public static class Grid {
     
      private int size;
      private int[][] grid;
     
      public Grid(int size) {
        this.grid = new int[size][size];
        this.size = size;
        populate();
      }
     
      private void populate() {
         for (int y = 0; y < grid.length; y++) {
            for(int x = 0; x < grid.length; x++) {
                grid[y][x] = -1;
            }
         }
      }
     
      public boolean isSet(int x, int y) {
          return grid[y][x] != -1;
      }
     
      public void set(int x, int y, int value) {
        grid[y][x] = value;
      }
   
      public void printGrid() {
         for (int y = 0; y < grid.length; y++) {
             String line = "";
             int[] atY = grid[y];
             
             for (int x : atY) {
                if (x != -1) {
                  line += "*";
                } else {
                  line += " ";
                }
             }
             System.out.println(line);
         }
      }
     
      public int getSize() {
         return this.size;
      }
   }
   
}