Java AtomicLong getTomorrowTime()

Description

Returns the first millisecond of tomorrow.

License

Open Source License

Return

tomorrow time.

Declaration

public static long getTomorrowTime() 

Method Source Code

//package com.java2s;
// the terms of the GNU General Public License as published by the Free Software Foundation;

import java.util.Calendar;

import java.util.GregorianCalendar;

import java.util.concurrent.atomic.AtomicLong;

public class Main {
    private static final AtomicLong TOMORROW = new AtomicLong(-1);

    /**/*from ww  w.j  a va  2s. com*/
     * Returns the first millisecond of tomorrow.
     *
     * @return tomorrow time.
     */
    public static long getTomorrowTime() {
        final long current = System.currentTimeMillis();

        synchronized (TOMORROW) {
            if (current > TOMORROW.get()) {
                GregorianCalendar cal = new GregorianCalendar();
                cal.add(Calendar.DATE, 1);
                cal.set(Calendar.HOUR_OF_DAY, 0);
                cal.set(Calendar.MINUTE, 0);
                cal.set(Calendar.SECOND, 0);
                cal.set(Calendar.MILLISECOND, 0);
                TOMORROW.set(cal.getTimeInMillis());
            }
        }

        return TOMORROW.get();
    }
}

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8. greaterAndSet(long value, AtomicLong atomicValue)
9. isAtomicLong(final N number)