Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.File;

import java.text.DecimalFormat;

public class Main {
    public static long getFileSize(String filePath) {
        long size = 0;
        File file = new File(filePath);
        if (file != null && file.exists()) {
            size = file.length();
        }
        return size;
    }

    public static String getFileSize(long size) {
        if (size <= 0) {
            return "0";
        }
        java.text.DecimalFormat df = new DecimalFormat("##.##");
        float temp = (float) size / 1024;
        if (temp >= 1024) {
            return df.format(temp / 1024) + "M";
        } else {
            return df.format(temp) + "K";
        }
    }
}