star pyramid

class Main {
    public static void main(String[] args) {
        int row = 5;
        for(int i = 0; i < row; i++){
            for(int j = row; j > i; j--){
                System.out.print(" ");
            }
            for(int j = 1; j <= (i*2)+1; j++){
                System.out.print("*");
            }
            System.out.println();
        }
    }
}