Swap List Index Position

Swap List Index Position

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collection;

import java.util.Collections;

import java.util.HashSet;

import java.util.List;

public class SwapListIndexPosition {

public static void main(String[] args) {

List<String> oldList = new ArrayList<String>();

List<String> newList = new ArrayList<String>();

String mySelectedStr = "E";

oldList.add("A");

oldList.add("C");

oldList.add("D");

oldList.add("B");

oldList.add("E");

System.out.println("Old List : " + oldList);

newList = SwapIndexPosition(oldList, mySelectedStr);

System.out.println("New List : " + newList);

}

private static List<String> SwapIndexPosition(List<String> myList,

String mySelectedStr) {

Collections.sort(myList);

int index = myList.indexOf(mySelectedStr);

myList.remove(index);

myList.add(0, mySelectedStr);

return myList;

}

}