/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.stream.*;
import java.io.*;
 
/* 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
	{
		Object object = Collections.emptyList().stream().collect(Collector.of(ArrayList::new, ArrayList::add, (a, b) -> a, a -> null));
        System.out.println(object);
	}
}

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