/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.stream.*;
import java.util.function.*;
import java.lang.*;
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
	{
		List<Integer> data = IntStream.range(0, 10).boxed().collect(Collectors.toList());
		getEndTruncatedSubListsOf(data).stream().forEach(System.out::println);
		getFrontTruncatedSubListsOf(data).stream().forEach(System.out::println);
	}
 
	private static <T> List<List<T>> getEndTruncatedSubListsOf(List<T> list) {
		return getSubListsOf(list, i -> list.subList(0, list.size() - i));
	}
 
	private static <T> List<List<T>> getFrontTruncatedSubListsOf(List<T> list) {
		return getSubListsOf(list, i -> list.subList(i, list.size()));
	}
 
	private static <T> List<List<T>> getSubListsOf(List<T> list,
	        IntFunction<List<T>> truncfn) {
		return IntStream.range(0, list.size())
                        .mapToObj(i -> truncfn.apply(i))
                        .collect(Collectors.toList());
    }
 
}

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