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);
}
}