Convert Decimal to Octal in Java

// w  ww .  j  a  v a 2s .c  o  m
public class Main {

  public static void main(String[] args) {
    int integer = 1024;

    String octal = Integer.toOctalString(integer);

    System.out.printf("Octal value of %d is '%s'.\n", integer, octal);
    System.out.printf("Octal value of %1$d is '%1$o'.\n", integer);

    int original = Integer.parseInt(octal, 8);
    System.out.printf("Integer value of octal '%s' is %d.", octal, original);
  }
}