/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
 
/* 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
	{
        LocalTime start = LocalTime.of ( 11 , 30 );
        LocalTime stop = start.plusHours ( 2 );
        Duration d = Duration.between ( start , stop );
 
        double seconds = d.toSeconds ();
        double hours = seconds / 60 / 60;
 
        System.out.println ( "start.toString() = " + start );
        System.out.println ( "stop.toString() = " + stop );
        System.out.println ( "d.toString() = " + d );
        System.out.println ( "seconds = " + seconds );
        System.out.println ( "hours = " + hours );
	}
}

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