Sorting ArrayList of Integer arraylist

import java.util.*;
class ArrayListSorting  {

public static void main(String args[]){
  ArrayList<Integer> listofcountries = new ArrayList<Integer>();
  listofcountries.add(89);
  listofcountries.add(5);
  listofcountries.add(3);
  listofcountries.add(9);

  /*Unsorted List*/
  System.out.println("Before Sorting:");
  for(int counter: listofcountries){
System.out.println(counter);
}

  /* Sort statement*/
  Collections.sort(listofcountries);

  /* Sorted List*/
  System.out.println("After Sorting:");
  for(int counter: listofcountries){
System.out.println(counter);
}
}
}

OutPut : - 

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