Java tutorial
//package com.java2s; /* * XPerience Kernel Tweaker - An Android CPU Control application * Copyright (C) 2011-2015 Carlos "Klozz" Jesus <TeamMEX@XDA-Developers> * * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU 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 General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String ReadableByteCount(long bytes) { if (bytes < 1024) return bytes + " B"; int exp = (int) (Math.log(bytes) / Math.log(1024)); String pre = String.valueOf("KMGTPE".charAt(exp - 1)); return String.format("%.1f %sB", bytes / Math.pow(1024, exp), pre); } }