Here you can find the source of convertMbIntoGb(long megaBytes)
public static String convertMbIntoGb(long megaBytes)
//package com.java2s; /******************************************************************************* * =========================================================== * Ankush : Big Data Cluster Management Solution * =========================================================== * //from w w w .j a va 2 s .c o m * (C) Copyright 2014, by Impetus Technologies * * This is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License (LGPL v3) as * published by the Free Software Foundation; * * This software 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this software; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ******************************************************************************/ import java.text.DecimalFormat; public class Main { public static String convertMbIntoGb(long megaBytes) { String convertedVal = "0"; if (megaBytes == 0) { return convertedVal; } final double HUNDRED = 100.0; final long DIVEDEBY = 1024L; DecimalFormat df = new DecimalFormat("0.00"); if (megaBytes / DIVEDEBY > 0) { return (df.format(((megaBytes * HUNDRED / DIVEDEBY)) / HUNDRED) + "GB"); } else { return (String.valueOf(megaBytes) + "MB"); } } }