Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.text.DecimalFormat;

public class Main {
    private static final long KILO = 1000;
    private static final long MEGA = KILO * 1000;
    private static final long GIGA = MEGA * 1000;
    private static final DecimalFormat mFmt = new DecimalFormat("###,###.##");

    public static String formatSize(long fileSize) {
        if (fileSize > GIGA) {
            return mFmt.format((double) fileSize / GIGA) + "GB";
        } else if (fileSize > MEGA) {
            return mFmt.format((double) fileSize / MEGA) + "MB";
        } else if (fileSize > KILO) {
            return mFmt.format((double) fileSize / KILO) + "KB";
        } else {
            return Long.toString(fileSize) + "B";
        }
    }
}