Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.Locale;

public class Main {

    public static int getWeekNum() {
        int num = 1;
        try {
            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
            long to = new Date().getTime();
            long from = df.parse("2014-9-8 00:00:00").getTime();
            num = (int) Math.ceil((to - from) * 1.0 / (1000 * 60 * 60 * 24) / 7.0);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return num;
    }
}