Java SQL Date Add add(Date date, int unit, int amount)

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Description

add

License

Open Source License

Declaration 

private static Date add(Date date, int unit, int amount)

Method Source Code


//package com.java2s;
//License from project: Open Source License 

import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Date;

public class Main {
    private static Date add(Date date, int unit, int amount) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);/* w w  w  .j a va2s  .c o  m*/
        c.add(unit, amount);
        return c.getTime();
    }

    private static Timestamp add(Timestamp timestamp, int unit, int amount) {
        Calendar c = Calendar.getInstance();
        c.setTime(timestamp);
        c.add(unit, amount);
        Timestamp ts = new Timestamp(c.getTimeInMillis());
        ts.setNanos(ts.getNanos() + timestamp.getNanos() % 1000000);
        return ts;
    }

    public static int getNanos(Timestamp timestamp) {
        return timestamp.getNanos();
    }
}

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