Print Triangle

public class Triangle {
  public static void main(String[] args) {
    int n = 10;
    StringBuilder sb = new StringBuilder();
    for (int i = n; i > 0; i--) {
      for (int j = 0; j < n - i; j++)
        sb.append(" ");
      for (int j = 0; j < i; j++)
        sb.append("○");
      sb.append("\n");
    }
    System.out.print(sb.toString());
  }
}