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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. 	public static void test3(Collection<Integer> col){
  11. 	       LinkedList<Integer> myList = new LinkedList<Integer>(col);
  12.         Integer t;
  13.         for (int i = 0; i < col.size() - 2; i++) {
  14.             Iterator<Integer> dIterator = myList.descendingIterator();
  15.             if (dIterator.hasNext()) {
  16.                 dIterator.next();
  17.             }
  18.             if (dIterator.hasNext()) {
  19.                 t = (Integer) dIterator.next();
  20.                 if (dIterator.hasNext()) {
  21.                     dIterator.remove();
  22.                     myList.add(i + 1, t);
  23.                     i++;
  24.                 }
  25.             }
  26.         }
  27.         System.out.println("LinkedList: "+myList + ".size("+myList.size()+")");
  28.     }
  29. 	public static void main (String[] args) throws java.lang.Exception
  30. 	{
  31. 		 Collection<Integer>  col1 = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8 ,9,10);
  32. 		  Collection<Integer> col2 = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8 ,9,10,11);
  33. 		test3(col1);
  34. 		test3(col2);
  35. 	}
  36. }
Success #stdin #stdout 0.07s 381184KB
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stdin
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Standard input is empty
stdout
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LinkedList: [1, 9, 2, 8, 3, 7, 4, 6, 5, 10].size(10)
LinkedList: [1, 10, 2, 9, 3, 8, 4, 7, 5, 6, 11].size(11)
https://ideone.com/UrCY6P
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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