JAVA PROGRAMMING TUTORIAL 45 : COLLECTION METHOD

//Collections.sort() is used to sort  array in alphabetical manner
//Collections.reverseOrder() perform reverse operation of sorted array

import java.util.*;

public class HackDefence {

public static void main(String[] args){

System.out.println("    HACK DEFENCE(hackdefencesecurity.blogspot.in)  ");

System.out.println();

System.out.println("    Collections.sort() & Collections.reverseOrder()   ");

System.out.println();

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

collectionsList.add("Eminem");

collectionsList.add("Avril");

collectionsList.add("Passenger");

collectionsList.add("Bob");

collectionsList.add("Rihana");

collectionsList.add("Avici");

collectionsList.add("Taylor");

collectionsList.add("Enrique");

                System.out.println("Before the collection method:");

System.out.println(collectionsList);

Collections.sort(collectionsList);

System.out.println("After the collection method:");

System.out.println(collectionsList);

Collections.sort(collectionsList,Collections.reverseOrder());

System.out.println("Sorted output in reverse order:");

System.out.println(collectionsList);

}

}

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OUTPUT: