public static void main(String[] args) {
Scanner scanner= new Scanner(System.in);
System.out.println("Time started : ");
String timeStarted = scanner.nextLine();
LocalTime taskStarted = LocalTime.parse(timeStarted);
System.out.println("Deadline : ");
String deadline = scanner.nextLine();
LocalTime deadline2 = LocalTime.parse(deadline);
Duration duration = Duration.between(taskStarted,deadline2);
System.out.println(duration.toHours()+":"+duration.toMinutesPart());
}
