Example usage for java.util Calendar DATE

Introduction

In this page you can find the example usage for java.util Calendar DATE.

Prototype

int DATE

To view the source code for java.util Calendar DATE.

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Document

Field number for get and set indicating the day of the month.

Usage

From source file:Main.java

public static Calendar nextMonday() {
    Calendar date = new GregorianCalendar();
    while (date.get(Calendar.DAY_OF_WEEK) != Calendar.MONDAY) {
        date.add(Calendar.DATE, 1);
    }//from w ww .  j a  va 2s . c om
    date.set(Calendar.HOUR_OF_DAY, 0);
    date.set(Calendar.MINUTE, 0);
    date.set(Calendar.SECOND, 0);
    date.set(Calendar.MILLISECOND, 0);
    return date;
}

From source file:Main.java

public static int getdataCount(int year, int month) {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.YEAR, year);
    cal.set(Calendar.MONTH, month - 1);
    int count = cal.getActualMaximum(Calendar.DATE);
    return count;
}

From source file:Main.java

public static int getMonthOfDays(int year, int month) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(Calendar.YEAR, year);
    calendar.set(Calendar.MONTH, month);
    return calendar.getActualMaximum(Calendar.DATE);
}

From source file:Main.java

public static Date getDifferenceDaysDate(long times, int diffDay) {
    Calendar now = Calendar.getInstance();
    Date d = new Date();
    d.setTime(times);//from   w  w  w.jav a  2  s .c  om
    now.setTime(d);
    now.set(Calendar.DATE, now.get(Calendar.DATE) + diffDay);
    return now.getTime();
}

From source file:Main.java

public static int getDay(int y, int m, int d) {
    if (m < 0 || m > 11)
        return -1;

    Calendar c = Calendar.getInstance();
    c.set(Calendar.YEAR, y);/*from   w  ww  .  j a va2 s.c o m*/
    c.set(Calendar.MONTH, m);
    c.set(Calendar.DATE, d);
    return c.get(Calendar.DAY_OF_WEEK) - 1;

}

From source file:Main.java

/**
 * Get First Date of month// ww  w .  j a  v  a2s  . c  o m
 */
public static Date getFirstDateOfMonth(int month, int year) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(year, month, 1);
    calendar.set(Calendar.DATE, calendar.getActualMinimum(Calendar.DATE));
    return calendar.getTime();
}

From source file:Main.java

public static String dateformat(String format, Date date, int afterDay) {
    Calendar ca = Calendar.getInstance();
    ca.setTime(date);/*from  w  ww .j  av a  2s.c  o m*/
    if (afterDay != 0)
        ca.add(Calendar.DATE, afterDay);
    SimpleDateFormat df = new SimpleDateFormat(format);
    return df.format(ca.getTime());
}

From source file:Main.java

public static String getDateStr(int index) {
    SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");

    java.util.Calendar calendar = new java.util.GregorianCalendar();

    calendar.add(Calendar.DATE, index);

    String retDate = "";
    try {/*from  w  w  w.j a v a2 s  .com*/
        retDate = df.format(calendar.getTime());
    } catch (Exception ex) {
        ex.printStackTrace();
    }

    return retDate;

}

From source file:Main.java

public static String getLastDayOfThisMonth() {
    String str = "";
    Calendar lastDate = Calendar.getInstance();
    lastDate.set(Calendar.DATE, 1);//
    lastDate.add(Calendar.MONTH, 1);//
    lastDate.add(Calendar.DATE, -1);//

    str = sdf.format(lastDate.getTime());
    return str;/*  www. ja v a  2  s  .  c o m*/
}

From source file:Main.java

public static String getFirstDayOfThisMonth() {
    String str = "";
    Calendar lastDate = Calendar.getInstance();
    lastDate.set(Calendar.DATE, 1);//
    // lastDate.add(Calendar.MONTH,-1);//
    // lastDate.add(Calendar.DATE,-1);//

    str = sdf.format(lastDate.getTime());
    return str;//w  w  w.  ja  v a 2 s.  c  o  m
}