Here you can find the source of convertByteToGMKB(long bytes)
public static String convertByteToGMKB(long bytes)
//package com.java2s; /*/*from w ww . ja v a 2s . c o m*/ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.text.DecimalFormat; public class Main { public static String convertByteToGMKB(long bytes) { String gmkb = null; DecimalFormat df = new DecimalFormat("0.##"); if (bytes < 1024) { gmkb = String.valueOf(bytes) + "B"; } else if (bytes >= 1024 && bytes < 1024 * 1024) { double kb = (double) bytes / 1024; gmkb = df.format(kb) + "K"; } else if (bytes >= 1024 * 1024 && bytes < 1024 * 1024 * 1024) { double mb = (double) bytes / 1024 / 1024; gmkb = df.format(mb) + "M"; } else if (bytes >= 1024 * 1024 * 1024) { double gb = (double) bytes / 1024 / 1024 / 1024; gmkb = df.format(gb) + "G"; } return gmkb; } }