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[Java] Date gap

승가비 2020. 2. 27. 01:10
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Date now = new Date();

DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
Date previous = dateFormat.parse("20200225");

long duration = now.getTime() - previous.getTime();
if (duration >= 20*60*1000) {
    ...
}

https://stackoverflow.com/questions/7080051/how-to-check-if-the-difference-between-2-dates-is-more-than-20-minutes

https://stackoverflow.com/questions/2458049/how-to-get-previous-date-in-java/2458562

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