计算输入时间的下一秒时间-java实现

计算输入时间的下一秒时间，输入格式如：2016/09/11 12:12:12

import java.io.*;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.logging.SimpleFormatter;

public class Main
{
    public static void main(String args[])
    {
    	SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
        Scanner sc = new Scanner(System.in);
        String input = sc.nextLine();
        
//        System.out.println(date2TimeStamp(input,"yyyy/MM/dd HH:mm:ss"));
        long res = date2TimeStamp(input,"yyyy/MM/dd HH:mm:ss") + 1000;
//        System.out.println(res);
        System.out.println(format.format(res));
    }
    
    public static long date2TimeStamp(String date_str,String format){
        try {  
            SimpleDateFormat sdf = new SimpleDateFormat(format);  
            long millionSeconds = sdf.parse(date_str).getTime();
            return millionSeconds;
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
        return 0;  
    }  
}