Get Number of hours between two dates

GetHoursBetweenDates.java

public class GetHoursBetweenDates {

	public static void main(String[] args) {
		int timeAMin = toMins("12:15");
		int timeBMin = toMins("22:30");
		System.out.println(timeBMin);
		getJourneyDuration(timeAMin,timeBMin,1,3);
	}
	public static int toMins(String s) {
	    String[] hourMin = s.split(":");
	    int hour = Integer.parseInt(hourMin[0]);
	    int mins = Integer.parseInt(hourMin[1]);
	    int hoursInMins = hour * 60;
	    return hoursInMins + mins;
	}
	public static void getJourneyDuration(int aMin, int bMin,int day1,int day2)
	{
		if (day1 ==day2)
		{
			int diffMin = (bMin-aMin);
			System.out.println(diffMin);
			int hours = diffMin/60 ;
			System.out.println(hours);
			int remMin = diffMin - (hours*60);
			System.out.println(remMin);
			String timeCorrect = +hours+ ":" +remMin++;
			System.out.println(timeCorrect);
		}
		
		else if (day2-day1 == 1)
		{
			int totalMins = (1440-aMin) +(bMin);
			int hours = totalMins/60 ;
			System.out.println(hours);
			int remMin = totalMins - (hours*60);
			System.out.println(remMin);
			String timeCorrect = +hours+ ":" +remMin++;
			System.out.println(timeCorrect);
		}
		else  
		{
			int inBetMins = (day2-day1-1)*24*60;
			int totalMins = (1440-aMin) +inBetMins +(bMin);
			int hours = totalMins/60 ;
			System.out.println(hours);
			int remMin = totalMins - (hours*60);
			System.out.println(remMin);
			String timeCorrect = +hours+ ":" +remMin++;
			System.out.println(timeCorrect);
		}
	}

	}