Returns the last date of the month represented by the passed cal - Java java.util

Java examples for java.util:Month

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Description

Returns the last date of the month represented by the passed cal

Demo Code

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//package com.java2s;
import java.util.Calendar;
import java.util.GregorianCalendar;

public class Main {
    public static void main(String[] argv) throws Exception {
        Calendar calendar = Calendar.getInstance();
        System.out.println(getLastDateOfMonth(calendar));
    }

    /**
     * Returns the last date of the month represented by the passed <code>cal</code>
     *
     * @param calendar The {@link Calendar} whose {@link Calendar#MONTH} field will be used
     *                 as the current month
     * @return
     */
    public static int getLastDateOfMonth(Calendar calendar) {
        Calendar tmpCal = new GregorianCalendar(calendar.getTimeZone());
        tmpCal.set(Calendar.YEAR, calendar.get(Calendar.YEAR));
        tmpCal.set(Calendar.MONTH, calendar.get(Calendar.MONTH));
        tmpCal.set(Calendar.DAY_OF_MONTH, 1);
        return tmpCal.getActualMaximum(Calendar.DAY_OF_MONTH);
    }
}

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