Example usage for java.util GregorianCalendar GregorianCalendar

Introduction

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

Prototype

public GregorianCalendar()

Source Link

Document

Constructs a default GregorianCalendar using the current time in the default time zone with the default Locale.Category#FORMAT FORMAT locale.

Usage

From source file:Main.java

public static Calendar tomorrow() {
    Calendar date = new GregorianCalendar();
    date.add(Calendar.DATE, 1);//from w w w . jav a 2  s .  co m
    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 boolean isFridayOrSaturday() {
    Calendar date = new GregorianCalendar();
    return date.get(Calendar.DAY_OF_WEEK) == Calendar.FRIDAY
            || date.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY;
}

From source file:Main.java

public static long getTodayStartTime() {
    Calendar date = new GregorianCalendar();
    date.set(Calendar.HOUR_OF_DAY, 0);
    date.set(Calendar.MINUTE, 0);
    date.set(Calendar.SECOND, 0);
    date.set(Calendar.MILLISECOND, 1);
    return date.getTimeInMillis();
}

From source file:Main.java

public static Calendar tomorrow() {
    Calendar tomorrow = new GregorianCalendar();
    tomorrow.set(Calendar.HOUR_OF_DAY, 0);
    tomorrow.set(Calendar.MINUTE, 0);
    tomorrow.set(Calendar.SECOND, 0);
    tomorrow.set(Calendar.MILLISECOND, 0);
    tomorrow.add(Calendar.DAY_OF_MONTH, 1);
    return tomorrow;
}

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  v a  2  s.  c  o  m*/
    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 float getPercentOfDay() {
    GregorianCalendar cal = new GregorianCalendar();
    float dayMillis = 0;
    dayMillis += (cal.get(Calendar.HOUR_OF_DAY) * 60 * 60);
    dayMillis += (cal.get(Calendar.MINUTE) * 60);
    dayMillis += cal.get(Calendar.SECOND);
    float totalDayMillis = (24f * 60f * 60f);
    return (dayMillis / totalDayMillis);
}

From source file:DateUtils.java

public static Date getYesterday() {
    GregorianCalendar yesterday = new GregorianCalendar();
    yesterday.add(Calendar.DATE, -1);
    return yesterday.getTime();
}

From source file:Main.java

public static int gettimeinhours(long t) {
    Calendar c = new GregorianCalendar();
    c.setTime(new Date(t));
    return c.get(Calendar.HOUR_OF_DAY);
}

From source file:DateUtils.java

public static Date getLastWeek() {
    GregorianCalendar dayBeforeThisWeek = new GregorianCalendar();
    int dayFromMonday = (dayBeforeThisWeek.get(Calendar.DAY_OF_WEEK) + 7 - Calendar.MONDAY) % 7;
    dayBeforeThisWeek.add(Calendar.DATE, -dayFromMonday - 1);
    return dayBeforeThisWeek.getTime();
}

From source file:Main.java

public static GregorianCalendar getCalendar(Date day) {
    GregorianCalendar gregorianCalendar = new GregorianCalendar();
    gregorianCalendar.setTime(day);//from   www .  ja v  a  2s.  co  m
    return gregorianCalendar;
}