Java tutorial
//package com.java2s; /** * Odoo, Open Source Management Solution * Copyright (C) 2012-today Odoo SA (<http:www.odoo.com>) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http:www.gnu.org/licenses/> * * Created on 31/12/14 11:36 AM */ import java.util.concurrent.TimeUnit; public class Main { public static String durationToFloat(String duration) { String[] parts = duration.split("\\:"); if (parts.length == 2) { long minute = Long.parseLong(parts[0]); long seconds = Long.parseLong(parts[1]); if (seconds == 60) { minute = minute + 1; seconds = 0; } else { seconds = (100 * seconds) / 60; } return String.format("%d.%d", minute, seconds); } return "false"; } public static String durationToFloat(long milliseconds) { long minute = TimeUnit.MILLISECONDS.toMinutes(milliseconds); long seconds = TimeUnit.MILLISECONDS.toSeconds(milliseconds) - TimeUnit.MINUTES.toSeconds(minute); if (seconds == 60) { minute = minute + 1; seconds = 0; } else { seconds = (100 * seconds) / 60; } return String.format("%d.%d", minute, seconds); } }