Here you can find the source of getCurrMonthFirstDaySlashFormat()
public static String getCurrMonthFirstDaySlashFormat()
//package com.java2s; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.*; public class Main { public static final String dateSlashFormat = "yyyy/MM/dd"; public static String getCurrMonthFirstDaySlashFormat() { Calendar calendar = Calendar.getInstance(); Date d = new Date(); calendar.setTime(d);/*from ww w. jav a 2 s . c o m*/ calendar.set(Calendar.DATE, 1); return dateSlashFormat(calendar.getTime()); } public static final String dateSlashFormat(Date date) { if (date == null) { return ""; } return getFormat(dateSlashFormat).format(date); } public static final String format(Date date, String formate) { if (date == null) { return ""; } return getFormat(formate).format(date); } public static final String format(Long dateTmie, String formate) { Date date = new Date(dateTmie); return getFormat(formate).format(date); } public static final DateFormat getFormat(String format) { return new SimpleDateFormat(format); } }