Java : Sorting ArrayList

Sorting ArrayList

Ref :how-to-sort-an-arraylist-in-java

import java.util.ArrayList;

import java.util.Collections;

 

public class SortingArrayList {

 

    public static void main(String args[]){

 

       ArrayList<String> al = new ArrayList<String> ();

 

            al.add("22");

            al.add("33");

            al.add("11");

            al.add("cc");

            al.add("bb");

            al.add("aa");

 

            System.out.println("Printing List before sorting......");

             for(String value: al){

                 System.out.println(value);

             }

 

             //Sorting...

             Collections.sort(al);

 

             System.out.println("Printing List after sorting......");

             for(String value: al){

                System.out.println(value);

             }

}

}

 

Output

Printing List before sorting……
22
33
11
cc
bb
aa
Printing List after sorting……
11
22
33
aa
bb
cc