Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main {

    public static String getYestoday(String sourceDate, String format) {
        return getFormatDateAdd(getDateFromString(sourceDate, format), -1, format);
    }

    public static String getFormatDateAdd(Date date, int amount, String format) {
        Calendar cal = new GregorianCalendar();
        cal.setTime(date);
        cal.add(GregorianCalendar.DATE, amount);
        return getFormatDateTime(cal.getTime(), format);
    }

    public static Date getDateFromString(String dateStr, String pattern) {
        SimpleDateFormat sdf = new SimpleDateFormat(pattern);
        Date resDate = null;
        try {
            resDate = sdf.parse(dateStr);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return resDate;
    }

    public static String getFormatDateTime(Date date, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        return sdf.format(date);
    }
}