Android examples for java.util:Month
get First Day Of Month
//package com.java2s; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Locale; public class Main { public static String getFirstDayOfMonth(String date) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.CHINA);//from w w w. j a va 2 s . com Calendar cal = Calendar.getInstance(); if (null != date) { cal.setTime(format.parse(date)); } cal.set(Calendar.DAY_OF_MONTH, 1); return format.format(cal.getTime()); } }