/* 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
	{
        // Set < String > ids = ZoneId.getAvailableZoneIds ( );
        ZoneId zDefault = ZoneId.systemDefault ( );
 
        // ZoneId z = ZoneId.of ( "America/Montreal" );
		// ZoneOffset offsetInEffectNowMontreal = z.getRules ( ).getOffset ( Instant.now ( ) );
 
		//testing
		ZoneId test = ZoneId.of("UTC");
		ZoneId test2 = ZoneId.of("Europe/London");
		ZoneId test3 = ZoneId.of("Europe/Paris");
 
		System.out.println("System Default Zone ID: " + zDefault.getId());
 
		System.out.println("testing: ");
		System.out.println(test.getId() +"\n" + test2.getId() + "\n" + test3.getId());
 
 
	}
}

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