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

}