public class Convert {
public static void main(String[] args) {
int i = 0, num = 23658;
char[] digits = new char[8];
do {
digits[i++] = Character.forDigit(num % 16, 16);
num /= 16;
} while (num != 0);
for (int j = 7; j >= 0; j--)
System.out.println(digits[j]);
char[] hex = { 'f', '3', '6', '0' };
num = 0;
for (int j = 0; j < hex.length; j++) {
num <<= 4;
num += Character.digit(hex[j], 16);
}
System.out.println(num);
}
}