Find total hours between two Dates

Question

I have two Date objects and I need to get the time difference so I can determine the total hours between them. They happen to be from the same day. The result I would like w

Answer 1

for kotlin, you can use below function and get hours between two date

private val dateFormat: String = "yyyy-MM-dd @ hh:mm a"
val startDate = SimpleDateFormat(dateFormat).parse("2018-10-01 @ 12:33 PM")
val endDate = SimpleDateFormat(dateFormat).parse("2018-10-01 @ 02:46 PM")

private fun hoursDifference(date1: Date, date2: Date): Int {
    val milliToHour : Long = 1000 * 60 * 60
    return ((date1.time - date2.time) / milliToHour).toInt()
}

println(hoursDifference(endDate,startDate).toString())

Output: 2