/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.temporal.* ;
import java.time.format.* ;
 
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
    LocalDate ld = LocalDate.parse( "2018-12-31" ) ;
    OffsetDateTime odt = OffsetDateTime.of( ld , LocalTime.MIN , ZoneOffset.UTC ) ;
    long millisecondsSinceEpoch = odt.toInstant().toEpochMilli() ;
 
    System.out.println( "odt.toString(): " + odt );
    System.out.println( "millisecondsSinceEpoch " + millisecondsSinceEpoch );
 
	}
}

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