Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Time;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class Main {

    /**
     * Method to convert a calendar object to java's epoch date keeping only the
     * time information
     */
    public static Date toEpochDate(Calendar calendar) {
        return new Date(Time.valueOf(new SimpleDateFormat("HH:mm:ss").format(calendar.getTime())).getTime());
    }

    public static void main(String[] args) {
        Calendar someTime = Calendar.getInstance();
        someTime.set(Calendar.HOUR_OF_DAY, 17);
        someTime.set(Calendar.MINUTE, 0);
        someTime.set(Calendar.SECOND, 0);

        // convert it to java epoch date
        Date someDate = toEpochDate(someTime);

        // create a date object from java.sql.Time
        Date fromSqlTime = new Date(Time.valueOf("17:00:00").getTime());

        // now do the comparison
        System.out.println("Some Date: " + someDate.toString());
        System.out.println("Sql Time: " + fromSqlTime.toString());
        System.out.println("Are they equal? " + someDate.equals(fromSqlTime));
    }
}