Hello, I am wondering how you solve these problems

public int hour, minute;

/** * return time in the form hh:mm if hour = 8, minute = 3, return "08:03" if hour * = 16, minute = 9, return "16:09" if hour = 17, minute = 25, return "17:25" * HINT: use string concatenation: "0" (String) + 5 (int) gives "05" (String) * HINT 2: you can use DecimalFormat class */ public String toString() { return null; }

/** * @param other: object against which calling object should be compared * @return 1 if calling object comes after parameter object -1 if calling object * comes before parameter object 0 if calling object and parameter * object are the same */ public int compareTo(Time other) { return 0;

}