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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	static <T> T recursiveLast(ListIterator<T> iter) {
  11. 		if (!iter.hasNext()) {
  12. 			// It is invalid to call recursiveLast on an empty list
  13. 			return null;
  14. 		}
  15. 		T val = iter.next();
  16. 		if (iter.hasNext()) {
  17. 			val = recursiveLast(iter);
  18. 		}
  19. 		iter.previous();
  20. 		iter.set(val);
  21. 		return val;
  22. 	}
  23. 	public static void main (String[] args) throws java.lang.Exception
  24. 	{
  25. 		List<Integer> list = new ArrayList<Integer>();
  26. 		list.add(1);
  27. 		list.add(2);
  28. 		list.add(3);
  29. 		recursiveLast(list.listIterator());
  30. 		for (Integer i : list) {
  31. 			System.out.println(i);
  32. 		}
  33. 	}
  34. }
Success #stdin #stdout 0.08s 380160KB
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https://ideone.com/hFnfRz
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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