Here you can find the source of millisecondToMinute(Long millisecond)
public static Double millisecondToMinute(Long millisecond)
//package com.java2s; public class Main { public static Double millisecondToMinute(Long millisecond) { return (millisecond) / (60 * 1000 * 1d); }//from w w w .j a v a2s . c om }